... 套管打入靴 drive-casing shoe 套管送下程序 casing drill-in 套管靴 casing shoe ...
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Based in Jiangsu province, the company makes casing, tubing and drill pipes for the oil - and natural-gas-exploration industry.
WSP总部位于江苏，主要生产油气勘探行业所用的套管、油管和钻杆。
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