What is the drill pipe string weight in air?
钻杆在空气中的重量是多少？
Sound can be in the pipe string, can be in ancient books.
声可托于弦管，名可留于竹帛。
In order to solve this problem, the pipe string for pumping thick-oil is designed.
为解决偏远井及偏远区块的稠油井井筒举升的问题，设计此稠油管柱。
The plumber packed the joint of the pipe with string and a special compound.
这个装修水管的工人用绳子以及一种特殊的复合物把管子的接头包垫起来。
This string of pipe may be very long, depending on the width of the crossing.
根据河流宽度，穿越管道可能很长，需要多根管段。
It is significant for adjusting drill pipe sequence to improve average life of drill string.
该研究结果对于现场提高钻柱的平均使用寿命具有重要的工程理论指导意义。
It is significant for adjusting drill pipe sequence to improve average life of drill string.
该研究结果对于现场提高钻柱的平均使用寿命具有重要的工程理论指导意义。
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