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关注：1
2013-05-23 12:21
求翻译：在钻孔排渣、提钻、除土或因故停钻时，应保持孔内有规定的水头和符合要求的泥浆密度、粘度，以防坍孔。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
在钻孔排渣、提钻、除土或因故停钻时，应保持孔内有规定的水头和符合要求的泥浆密度、粘度，以防坍孔。
问题补充： |
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2013-05-23 12:21:38
Slag in the drilling, which provides drilling, in addition to the soil or for any reason to stop drilling, the hole should be kept there under the head and meet the requirements of the mud density, viscosity, to prevent hole collapse.
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2013-05-23 12:23:18
The borehole drilling, in addition to mine slag, soil, or for any reason is stopped when drilling holes in the provisions should be maintained and meet the requirements of the hydraulic head mud density, viscosity, to prevent collapse.
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2013-05-23 12:24:58
When a drill hole row of dregs, raises drills, or stops drilling for some reason except the earth, should maintain in the hole to have the stipulation flood peak and to conform to the request mud density, the viscosity, guards against collapses the hole.
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2013-05-23 12:26:38
正在翻译，请等待...
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2013-05-23 12:28:18
Slag in the drilling, which provides drilling, in addition to the soil or for any reason to stop drilling, the hole should be kept there under the head and meet the requirements of the mud density, viscosity, to prevent hole collapse.
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