The successful application of the dry filling system in Donggouba Gold Mine is described.
叙述干式充填系统在东沟坝金矿的成功应用。
Filling mining is a good measure to safely mine the coal under buildings at present.
充填开采是目前安全开采建筑物下压煤的理想措施。
Tons of rock blocked his escape. Water was slowly filling the mine.
当时有大堆石头堵塞住他逃生之路,而水亦正慢慢渗入矿场。
Tons of rock blocked his escape. Water was slowly filling the mine.
当时有大堆石头堵塞住他逃生之路,而水亦正慢慢渗入矿场。
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