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According to tectonic zonation, the coal basin mainly restricted by secondary fault depression of NE reflex arc, meanwhile secondary EW and NE composite convergence existed.
从总的区域构造分布看，含煤盆地沉积主要受北东向反射弧的次一级断裂坳陷所制约，同时也存在着次一级的东西向与北东向复合交汇控制特征。
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