在开始使用 ______ 处理采空区时，把支架分为 ______ 和 ______ 两部分。 -题库考试答案搜索网

在开始使用处理采空区时，把支架分为和 __ 两部分。

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2021-09-02 15:22

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全部跨落法@#@ 工作面支架@#@ 切顶支架

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标签：联大河南理工大学矿山测量学

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