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露天礦發生涌水將給開采工作帶來的主要影響是( A B C):

作者:煤礦安全網 2018-07-02 10:49 來源:煤礦安全網

露天礦發生涌水將給開采工作帶來的主要影響是( A B C):
A降低設備效率和使用壽命。B影響礦山工程進展速度。
C破壞邊坡的穩定性。???? D不影響礦山工程發展進度

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