“地压的”造句

介绍了冲击地压的危害程度, 发生的原因 、 条件及采取的防治措施.
The harm of percussive ground pressure, produced reason, conditions and protective measures are introduced.

介绍了煤矿发生冲击地压的显现特征.
This paper introduces the characteristics of impact earth pressure in coal mine.

煤层注水是世界上煤矿矿井防治冲击地压的首选措施.
The first choice for precaution of pressure bump is water injection into coal seams.

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