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Practices on floor heave prevention and control technology of mining gateway in Wuyang Mine;
根据研究结果,提出采用在巷道底板上分期安装锚杆的方法,可有效地防治巷道底鼓。
youdao
-
Practices on floor heave prevention and control technology of mining gateway in Wuyang Mine;
根据研究结果,提出采用在巷道底板上分期安装锚杆的方法,可有效地防治巷道底鼓。
youdao