【在(财迷童儿(Tonger))的着作中提到：】
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This paper analyzes the fabric feature of optic axis of the sandstone in coalbearing series of Tonger well field in Fengfeng mining area by using of microscope.
对河北省峰峰矿区通二井田煤系地层砂岩中石英光轴的组构特征进行了显微镜下的观察分析。
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