且打了毛炳文许克祥再向西打，恐西面张辉瓒、谭道源、公秉藩三师集中，不易决胜，不能最后解决问题。

Tan Tao-yuan and Kung Ping-fan might join forces, thus making it difficult for us to win victory and impossible to bring the issue to a final solution.

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研究区三叠系谭庄组有机质丰富的暗色泥岩是主要烃源岩，它厚度大、分布广，埋藏深度也大。

The dark mudstone in Triassic system of Tanzhuang Formation which rich for organic substance is mainly source rocks, which has large thickness, wide distribution and great burial depth.

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