ZUOYONG：

　　水下焊接有干法、湿法和局部干法三种。

　　GANFAHANJIE

　　ZHEISHICAIYONGDAXINGQISHIZHAOZHUHANJIAN、HANGONGZAIQISHINEISHIHANDEFANGFA，YOUYUSHIZAIGANZAOQIXIANGZHONGHANJIE，QIANQUANXINGJIAOHAO。ZAISHENDUCHAOGUOKONGQIDEQIANRUFANWEISHI，YOUYUZENGJIALEKONGQIHUANJINGZHONGJUBUYANGQIDEYALI，RONGYICHANSHENGHUOXING。YINCIYINGZAIQISHINEISHIYONGDUOXINGHUOBANDUOXINGQITI。GANFAHANJIESHI，HANGONGYINGCHUANDAITEZHIFANGHUO、NAIGAOWENDEFANGHUFU。

　　YUSHIFAHEJUBUGANFAHANJIEXIANGBI，GANFAHANJIEANQUANXINGZUIHAO，DANSHIYONGJUXIANXINGHENDA，YINGYONGBUPUBIAN。

　　JUBUGANFAHANJIE

　　局部干法是焊工在水中施焊，人为地将焊接区周围的水排开的水下焊接方法，其安全措施与湿法相似。

　　YOUYUJUBUGANFAHAICHUYUYANJIUZHIZHONG，YINCISHIYONGSHANGBUPUBIAN。

　　SHIFAHANJIE

　　湿法焊接是焊工在水下直接施焊，而不是人为地将焊接区周围的水排开的水下焊接方法。

　　DIANHUZAISHUIXIARANSHAOYUMAIHUHANXIANGSI，SHIZAIQIPAOZHONGRANSHAODE。HANTIAORANSHAOSHIHANTIAOSHANGDETULIAOXINGCHENGTAOTONGSHIQIPAOWENDINGCUNZAI，YINERSHIDIANHUWENDING，RUTUSUOSHI。YAOSHIHANTIAOZAISHUIXIAWENDINGRANSHAO，BIXUZAIHANTIAOXINSHANGTUYICENGYIDINGHOUDUDETUYAO，BINGYONGSHILAHUOQITAFANGSHUIWUZHIJINZIDEFANGFA，SHIHANTIAOJUYOUFANGSHUIXING。QIPAOYOUQING、YANG、SHUIZHENGQIHEYOUHANTIAOYAOPIRANSHAOCHANSHENGDEQIPAO；HUNZHUODEYANWUSHENGDEQITAYANGHUAWU。WEIKEFUSHUIDELENGQUEHEYALIZUOYONGZAOCHENGDEYINHUJIWENHUKUNNAN，QIYINHUDIANYAYAOGAOYUDAQIZHONGDEYINHUDIANYA，QIDIANLIUJIAODAQIZHONGHANJIEDIANLIUDA15%～20%。

　　SHUIXIASHIFAHANJIEYUGANFAHEJUBUGANFAHANJIEXIANGBI，YINGYONGZUIDUO，DANANQUANXINGZUICHA。YOUYUSHUIJUYOUDAODIANXING，YINCIFANGCHUDIANCHENGWEISHIFAHANJIEDEZHUYAOANQUANWENTIZHIYI。