英语词汇“screw drilling string”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	screw drilling string
释义	screw drilling string 基本例句螺杆钻具 So the research on the output performance of the air PDM is of great significance for the gas drilling during the horizontal well drilling.因此，研究气体螺杆钻具在井下的输出性能对水平井气体钻井有着非常重要的意义。
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