Spacings between anticlinal crests and synclinal troughs in the be equal in some series of folds.
岩层中的背斜峰和向斜谷之间的距离趋于相等.
The experience of waterreclamation in synclinal axis illustrating at T 312 working face is introduced.
介绍了T312工作面向斜轴部水患治理的经验.
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