permeability of coal and rock
... characteristics of embellishment work 装饰工程的特点 permeability of coal and rock 煤岩透气性 inexact newton method 非精确newton法 ...
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permeability of coal and rock
煤和岩石的渗透性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The purpose of most of the hydrogeological survey in coalfield is to prospect the water content of the industrial coal bed adjacent rock and the water content and permeability of main fault and so on.
大多煤田水文地质调查的任务是查明区内工业煤层围岩的赋水性、主要断层的含水及导水性等问题。
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