“煤岩”造句

煤 ( 岩 ) 试件剪切破坏过程的渐进性非常明显.
The failure process of coal ( rock ) sample is gradually.

研究了煤岩储层的应力敏感、水敏和速敏.
The stress, water and velocity sensitivity of coal gas reservoir were studied.

在煤岩的分类中,有腐殖煤和腐泥煤之分.
Coal rock can be classified as humic and sapropelic coal.