Home > Term: 折叠
折叠
墙壁钻孔或矿山巷道塌方完整...。
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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(China)
墙壁钻孔或矿山巷道塌方完整...。
(China)