常見(jiàn)例句雙語(yǔ)例句Two methods for reducing cooling rate during underwater wet welding are studied.研究了兩種能應(yīng)用于水下濕法焊接的緩冷方法。Both wet and dry underwater welding operations are presented to repair the burst at the welding seam of large size crossing steel pipe.介紹了大口徑過(guò)河鋼管接口焊縫爆漏現(xiàn)象,以及濕法和干法水下焊接修復(fù)技術(shù)。The underwater welding using a water jet curtain to prevent the damaging effect of water on arc and weld is a practical way to im- prove the"wet"weld quality.利用水射流的屏蔽作用,消除水對(duì)電弧和焊縫的不利影響,是提高水下濕法焊縫質(zhì)量的一種有效方法。 返回 underwater wet welding