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隨著采煤工作面推進,在采空區兩側形成的支承壓力為移動支承壓力。????(????)

作者:煤礦安全網 2022-06-10 13:50 來源:煤礦安全網 采煤 工作面 采空區 壓力 移動
題目信息:

  隨著采煤工作面推進,在采空區兩側形成的支承壓力為移動支承壓力。()

  A:正確 B:錯誤

答案

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