...tary drilling 反循环旋转钻进 air-lift reverse circulation drilling 气举反循环钻进 Air-Lift Reverse Circulation Drilling Rig 气举反循环钻机 ..
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Air-Lift Reverse Circulation Drilling Rig 气举反循环钻机
air-lift reverse circulation drilling technology 气举反循环技术
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The paper introduces the typical examples for resolving these problems by air-lift reverse circulation drilling technology.
介绍了应用气举反循环钻进工艺解决这些疑难技术问题的成功案例。
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