lock joint pipe的意思|示意
美 / /
英 / /
锁接管
lock joint pipe的网络常见释义
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lock joint pipe相关例句
Fit the rig tongs with the correct jaws for the drill pipe tool joint or the drill collar. Re-install the safety lock springs.
给大钳装上与钻杆接头或钻铤相匹配的钳头，再装上安全锁簧。