... downhole hanger 井下悬挂器 downhole pressure gauge 井下压力计 downhole pulser 井下脉冲发生器 ...
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... downhole plugging material 井底堵塞材料 downhole pressure gauge 井底压力计 downhole probe 下井仪器 ...
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Electronic Downhole Pressure Gauge 电子式井下压力计
downhole e pressure gauge 井下压力计
·2,447,543篇论文数据,部分数据来源于NoteExpress
SY1 series downhole pressure gauge is made of spring tube.
SY1型系列井下压力计,是一种弹簧管式井下压力计。
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