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浮(fu)(fu)(fu)筒(tong)打(da)撈法(fa)。用(yong)若(ruo)干(gan)浮(fu)(fu)(fu)筒(tong)在(zai)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)充(chong)氣(qi)后(hou)(hou)，借(jie)浮(fu)(fu)(fu)力(li)將沉(chen)船浮(fu)(fu)(fu)出水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)面(mian)，此法(fa)浮(fu)(fu)(fu)力(li)大(da)(da)而可靠(kao)，施(shi)工(gong)(gong)(gong)(gong)方便(bian)、。水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)切割(ge)(ge)各種位(wei)(wei)置的(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)電弧-氧切割(ge)(ge)技術對(dui)于(yu)懸空(kong)位(wei)(wei)置的(de)(de)(de)(de)(de)(de)切割(ge)(ge)，應(ying)(ying)十分注(zhu)意切割(ge)(ge)順序。對(dui)于(yu)一(yi)(yi)般工(gong)(gong)(gong)(gong)件或(huo)(huo)(huo)結構(gou)進行橫割(ge)(ge)或(huo)(huo)(huo)立割(ge)(ge)時(shi)(shi)(shi)(shi)，應(ying)(ying)自上而下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)逐(zhu)塊切割(ge)(ge)。但對(dui)于(yu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)平(ping)(ping)(ping)管(guan)(guan)的(de)(de)(de)(de)(de)(de)切割(ge)(ge)要(yao)嚴(yan)加(jia)注(zhu)意，都(dou)要(yao)在(zai)鋼管(guan)(guan)的(de)(de)(de)(de)(de)(de)上半周處留一(yi)(yi)段距離(li)(li)，后(hou)(hou)再切割(ge)(ge)或(huo)(huo)(huo)用(yong)吊車拉(la)斷。用(yong)鋼纜(lan)兜于(yu)沉(chen)船船底，用(yong)打(da)撈船上的(de)(de)(de)(de)(de)(de)起重(zhong)(zhong)(zhong)(zhong)設備(bei)(bei)(bei)將沉(chen)船提起，打(da)撈時(shi)(shi)(shi)(shi)一(yi)(yi)般要(yao)用(yong)兩(liang)艘或(huo)(huo)(huo)多艘打(da)撈船共同作(zuo)(zuo)業(ye)(ye)(ye)(ye)。加(jia)深切割(ge)(ge)法(fa)是(shi)指(zhi)在(zai)起始(shi)切口形成后(hou)(hou)的(de)(de)(de)(de)(de)(de)切割(ge)(ge)過(guo)程(cheng)(cheng)中(zhong)，割(ge)(ge)條不斷伸入(ru)(ru)割(ge)(ge)縫中(zhong)，使割(ge)(ge)縫不斷加(jia)深，直到割(ge)(ge)穿工(gong)(gong)(gong)(gong)件，如(ru)此往復(fu)進行，終(zhong)將工(gong)(gong)(gong)(gong)件割(ge)(ge)開。 肇慶(qing) 水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)工(gong)(gong)(gong)(gong)作(zuo)(zuo)原理 1、潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)信(xin)(xin)(xin)號繩(sheng)掌(zhang)控。潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)信(xin)(xin)(xin)繩(sheng)員(yuan)(yuan)(yuan)是(shi)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)人(ren)(ren)(ren)(ren)(ren)員(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)主要(yao)人(ren)(ren)(ren)(ren)(ren)，必須準(zhun)確(que)收、發(fa)潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)應(ying)(ying)急信(xin)(xin)(xin)號。 2、下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)前，在(zai)組長(chang)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)，對(dui)潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)裝(zhuang)(zhuang)備(bei)(bei)(bei)和(he)(he)器材(cai)進行檢(jian)查和(he)(he)，為(wei)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)人(ren)(ren)(ren)(ren)(ren)員(yuan)(yuan)(yuan)著(zhu)裝(zhuang)(zhuang)和(he)(he)上來(lai)時(shi)(shi)(shi)(shi)候的(de)(de)(de)(de)(de)(de)卸(xie)裝(zhuang)(zhuang)。 3、當下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)人(ren)(ren)(ren)(ren)(ren)員(yuan)(yuan)(yuan)入(ru)(ru)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)至頭盔(kui)剛要(yao)淹(yan)沒時(shi)(shi)(shi)(shi)，拉(la)住下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)人(ren)(ren)(ren)(ren)(ren)員(yuan)(yuan)(yuan)并(bing)檢(jian)查潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)裝(zhuang)(zhuang)具(ju)是(shi)否水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)密，確(que)認完好后(hou)(hou)，通知下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)人(ren)(ren)(ren)(ren)(ren)員(yuan)(yuan)(yuan)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)，下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)深度，并(bing)及(ji)(ji)時(shi)(shi)(shi)(shi)報告。 4、作(zuo)(zuo)業(ye)(ye)(ye)(ye)時(shi)(shi)(shi)(shi)精力(li)集(ji)中(zhong)，認真負責，堅守崗位(wei)(wei)。暫時(shi)(shi)(shi)(shi)離(li)(li)崗必須經組長(chang)同意，并(bing)通知下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)潛(qian)(qian)(qian)(qian)(qian)人(ren)(ren)(ren)(ren)(ren)員(yuan)(yuan)(yuan)。 5、收發(fa)潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)信(xin)(xin)(xin)號應(ying)(ying)清(qing)楚、正確(que)。潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)電話時(shi)(shi)(shi)(shi)，要(yao)時(shi)(shi)(shi)(shi)刻詢(xun)問水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)工(gong)(gong)(gong)(gong)作(zuo)(zuo)情況和(he)(he)環境，潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)人(ren)(ren)(ren)(ren)(ren)員(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)感(gan)覺(jue)要(yao)時(shi)(shi)(shi)(shi)刻保持(chi)較高(gao)意識。 蛙人(ren)(ren)(ren)(ren)(ren)服務(wu)公司(si)(si)(si)(si)肇慶(qing) 潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)作(zuo)(zuo)業(ye)(ye)(ye)(ye)的(de)(de)(de)(de)(de)(de)潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)承(cheng)包商水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)維修(xiu)(xiu)裝(zhuang)(zhuang)備(bei)(bei)(bei)技術的(de)(de)(de)(de)(de)(de)新突破:行業(ye)(ye)(ye)(ye)正文水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)維修(xiu)(xiu)裝(zhuang)(zhuang)備(bei)(bei)(bei)技術的(de)(de)(de)(de)(de)(de)新突破肇慶(qing)潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)公司(si)(si)(si)(si)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)工(gong)(gong)(gong)(gong)程(cheng)(cheng)裝(zhuang)(zhuang)備(bei)(bei)(bei)是(shi)從事海(hai)(hai)洋石油(you)勘(kan)探領域裝(zhuang)(zhuang)備(bei)(bei)(bei)研究(jiu)的(de)(de)(de)(de)(de)(de)化機構(gou)所下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)屬(shu)的(de)(de)(de)(de)(de)(de)灘(tan)海(hai)(hai)工(gong)(gong)(gong)(gong)程(cheng)(cheng)模擬(ni)實(shi)(shi)驗的(de)(de)(de)(de)(de)(de)海(hai)(hai)工(gong)(gong)(gong)(gong)重(zhong)(zhong)(zhong)(zhong)點實(shi)(shi)驗室該先后(hou)(hou)成功研制了國。內(nei)各種功能(neng)的(de)(de)(de)(de)(de)(de)坐底式或(huo)(huo)(huo)自升式鉆井(jing)(jing)平(ping)(ping)(ping)臺修(xiu)(xiu)井(jing)(jing)平(ping)(ping)(ping)臺采(cai)油(you)平(ping)(ping)(ping)臺以(yi)及(ji)(ji)工(gong)(gong)(gong)(gong)程(cheng)(cheng)船舶等業(ye)(ye)(ye)(ye)績(ji)由于(yu)黃河入(ru)(ru)海(hai)(hai)口的(de)(de)(de)(de)(de)(de)影(ying)響(xiang)(xiang)勝利淺海(hai)(hai)海(hai)(hai)底地(di)基極不隨著(zhu)管(guan)(guan)線電纜(lan)使用(yong)年(nian)限的(de)(de)(de)(de)(de)(de)延(yan)長(chang)海(hai)(hai)流沖刷淘空(kong)掘蝕地(di)基矢(shi)穩的(de)(de)(de)(de)(de)(de)影(ying)響(xiang)(xiang)及(ji)(ji)一(yi)(yi)些(xie)突發(fa)事故等會造成管(guan)(guan)纜(lan)嚴(yan)重(zhong)(zhong)(zhong)(zhong)損壞并(bing)由此使油(you)井(jing)(jing)關閉而影(ying)響(xiang)(xiang)。 潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)工(gong)(gong)(gong)(gong)作(zuo)(zuo)、潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)工(gong)(gong)(gong)(gong)程(cheng)(cheng)、潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)安(an)裝(zhuang)(zhuang)、潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)作(zuo)(zuo)業(ye)(ye)(ye)(ye)、污(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)池清(qing)淤、污(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)池清(qing)泥、污(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)池堵漏、灌(guan)注(zhu)樁(zhuang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)切割(ge)(ge)、灌(guan)注(zhu)樁(zhuang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)拆(chai)除(chu)、鋼管(guan)(guan)樁(zhuang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)切 割(ge)(ge)、鋼管(guan)(guan)樁(zhuang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)拆(chai)除(chu)、水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)混凝土切割(ge)(ge)、水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)混凝土拆(chai)除(chu)、鋼圍(wei)(wei)堰水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)切割(ge)(ge)、鋼圍(wei)(wei)堰水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)堵漏、水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫閘門封堵，污(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)管(guan)(guan)道堵漏、排(pai)污(wu)管(guan)(guan)道封堵、橋(qiao)(qiao)梁基礎(chu)灌(guan)注(zhu)樁(zhuang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)檢(jian)測(ce)攝像、攔(lan)(lan)污(wu)柵水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)安(an)裝(zhuang)(zhuang)、攔(lan)(lan)污(wu)柵水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)檢(jian)測(ce)。 誠實(shi)(shi)守信(xin)(xin)(xin)單(dan)位(wei)(wei)公司(si)(si)(si)(si)自創建以(yi)來(lai)，堅持(chi)以(yi)人(ren)(ren)(ren)(ren)(ren)為(wei)本(ben)，誠信(xin)(xin)(xin)經營，憑借(jie)高(gao)、率、高(gao)信(xin)(xin)(xin)譽的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)風贏得(de)客戶。多次承(cheng)擔急、難、險、重(zhong)(zhong)(zhong)(zhong)施(shi)工(gong)(gong)(gong)(gong)任務(wu)，多次與兄弟單(dan)位(wei)(wei)配合打(da)撈沉(chen)船 及(ji)(ji)若(ruo)干(gan)沉(chen)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)物資；青島海(hai)(hai)灣大(da)(da)橋(qiao)(qiao)、水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)堵漏等。歷年(nian)來(lai)公司(si)(si)(si)(si)承(cheng)建的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)程(cheng)(cheng)均業(ye)(ye)(ye)(ye)主的(de)(de)(de)(de)(de)(de)好評。參加(jia)過(guo)重(zhong)(zhong)(zhong)(zhong)點工(gong)(gong)(gong)(gong)程(cheng)(cheng)項目施(shi)工(gong)(gong)(gong)(gong)，如(ru)：舟(zhou)山大(da)(da)橋(qiao)(qiao)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)工(gong)(gong)(gong)(gong)程(cheng)(cheng)、錢塘江(jiang) 大(da)(da)橋(qiao)(qiao)、古(gu)運(yun)河高(gao)架(jia)橋(qiao)(qiao)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)工(gong)(gong)(gong)(gong)程(cheng)(cheng)等。在(zai)施(shi)工(gong)(gong)(gong)(gong)中(zhong)我(wo)單(dan)位(wei)(wei)注(zhu)重(zhong)(zhong)(zhong)(zhong)、講究(jiu)信(xin)(xin)(xin)譽、遵(zun)守合同，贏得(de)了廣大(da)(da)單(dan)位(wei)(wei)的(de)(de)(de)(de)(de)(de)高(gao)度贊揚(yang)和(he)(he)信(xin)(xin)(xin)服。 肇慶(qing)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)作(zuo)(zuo)業(ye)(ye)(ye)(ye)公司(si)(si)(si)(si)-誠實(shi)(shi)守信(xin)(xin)(xin)單(dan)位(wei)(wei)（承(cheng)接各地(di)業(ye)(ye)(ye)(ye)務(wu)，免費服務(wu)，24小(xiao)時(shi)(shi)(shi)(shi)服務(wu)，節假(jia)日不休） 水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)作(zuo)(zuo)業(ye)(ye)(ye)(ye)應(ying)(ying)配帶潛(qian)(qian)(qian)(qian)(qian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)工(gong)(gong)(gong)(gong)作(zuo)(zuo)刀；在(zai)深水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)作(zuo)(zuo)業(ye)(ye)(ye)(ye)應(ying)(ying)盡可能(neng)配備(bei)(bei)(bei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)上或(huo)(huo)(huo)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)照明設備(bei)(bei)(bei)。 你(ni)(ni)了解得(de)越(yue)多，你(ni)(ni)就越(yue)容易找到它(ta)們，也就越(yue)能(neng)夠靠(kao)近(jin)它(ta)們。一(yi)(yi)方面(mian)，你(ni)(ni)需(xu)要(yao)有的(de)(de)(de)(de)(de)(de)耐心(xin)，而另一(yi)(yi)方面(mian)，又需(xu)要(yao)有迅捷的(de)(de)(de)(de)(de)(de)游(you)(you)動能(neng)力(li)。因(yin)此，在(zai)拍攝魚類時(shi)(shi)(shi)(shi)，要(yao)盡量避(bi)免龐大(da)(da)笨重(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)裝(zhuang)(zhuang)備(bei)(bei)(bei)。在(zai)拍攝大(da)(da)多數魚類時(shi)(shi)(shi)(shi)，兩(liang)盞閃光(guang)燈(deng)并(bing)不能(neng)帶來(lai)更好的(de)(de)(de)(de)(de)(de)效果(guo)并(bing)且(qie)會阻礙你(ni)(ni)快速游(you)(you)動。只(zhi)有當一(yi)(yi)種魚能(neng)讓你(ni)(ni)靠(kao)得(de)足(zu)夠近(jin)，并(bing)將第(di)二只(zhi)燈(deng)擺在(zai)它(ta)的(de)(de)(de)(de)(de)(de)側(ce)面(mian)或(huo)(huo)(huo)者后(hou)(hou)面(mian)時(shi)(shi)(shi)(shi)，第(di)二只(zhi)燈(deng)才(cai)有用(yong)途(tu)。大(da)(da)型魚類，比如(ru)大(da)(da)白(bai)鯊或(huo)(huo)(huo)者鯨(jing)鯊，它(ta)們會經常游(you)(you)到距離(li)(li)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)面(mian)很(hen)近(jin)的(de)(de)(de)(de)(de)(de)地(di)方。這(zhe)里環境光(guang)很(hen)充(chong)足(zu)。在(zai)這(zhe)種情況下(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)應(ying)(ying)避(bi)免使用(yong)閃光(guang)燈(deng)。