drill string
钻杆：钻机上的一列钻杆
常用释义
英式发音
美式发音
基本释义
- 钻杆：钻机上的一列钻杆，用于传输钻井液和扭矩到钻头。
例句
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1·The drill string is rotated by rotary table.钻柱是由转盘驱动的。
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2·The drill string may be thousands of feet long.钻具的长度可达数千英尺。
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3·Lower drill string to top of pin and engage threads.下放钻柱至丝扣部分，拧上丝扣。
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4·The driller sets the drill string in the slips or elevator.司钻把钻具坐在卡瓦或吊卡上。
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5·Drill string resonance is the major cause of drill tool failure.钻柱共振是引起深井钻具失效的主要原因。
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6·It is a very obvious phenomenon of the drill string vibrating in the drilling.钻柱振动现象在钻井施工中是非常突出和明显的现象。
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7·Saltwater mud is known to have a very strong corroding effect on drill string.人们知道，盐水泥浆对钻具有很强的腐蚀作用。
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8·The riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.立管内部核心是空心的(管中管)，留给钻柱使用。
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9·You must keep trying to find a new way to protect the drill string from sticking.你们应当坚持设法找出防止钻具被卡的新方法。
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10·The rotary carriage provides rotary and vertical motion to the drill string and bit.转动滑架为钻柱和钻头提供转动和垂直移动。
同义词