... wash dissolve ==> 波纹叠化 wash drill ==> 冲水钻孔装置 wash drilling ==> 水冲钻探,(软基中的)冲水钻井法 ...
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wash-over drill collar spear 冲洗钻铤打捞矛
Operate and maintain finishing machines to grind, drill, sand, bevel, decorate, wash or polish glass or glass products.
操作和维护整理机，磨，钻，沙化，伞，装饰，清洗或抛光玻璃或玻璃制品。
This paper presents an investigation on the condition of drill pipe wash out occurred in 2004 in one oil field, and statistic analysis on the different type of drill pipe wash out were carried out.
对某油田2004年钻杆刺穿情况进行了调查研究，得到钻杆内加厚过渡带部位刺穿是钻杆刺穿失效的主要形式。
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