例句 /

Through the analyses of the structual features and evoluation process, we determine the original thickness of strata over main coalbeds, and study metamorphic process of coalbed to ascertain effective stage of gas generation.

Through the analyses of the structual features and evoluation process, we determine the original thickness of strata over main coalbeds, and study metamorphic process of coalbed to ascertain effective stage of gas generation.

通过分析平顶山矿区构造特征及演化史,恢复了主要煤层上覆地层原始厚度,对煤层热演化史进行了模拟,进而确定了煤层的有效生气阶段。