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井壁上

井壁上

井壁上

井壁上

1

Farmers noticed that the well walls had deep cracks in them. A smelly gas came out of the cracks.

农夫注意到，水井的井壁上有深深的裂缝，裂缝里冒出臭气。

2

They tied themselves to the wall of the well with the belt , which freed them from being devoured by water .

他们用裤带将自己吊在井壁上，逃过被大水吞噬的劫难。

3

The pad holds sensors that are focused in one direction and must be as close as possible to the borehole wall .

极板上的探测器可以在一个方向聚焦，尽可能地贴靠在井壁上。

4

That part of a wireline logging tool that is pressed firmly against the borehole wall .

电缆测井仪器的一部分，测井过程中紧贴在井壁上。

6

Acoustic head wave on the borehole wall in a porous formation and the causes for its accompanying electromagnetic field

孔隙地层井壁上的声波首波及其诱导电磁场的原因

7

Effects of Shear Stress of Cement Slurries Adhering to Walls on Cementing Qualities

水泥浆在井壁上的剪应力对固井质量的影响研究

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