您要查找的是不是:
- 上山开采Rise mining
- 法law
- 无法unable
- 开采法mining method
- 分层开采法slicing method
- 用法usage
- 开采(v) extract ore or some other natural resource from a mine
- 说法statement
- 输入法input method
- 填坑开采法fill pit operation
- 除法division
- 分析法analytical method
- 商法commercial law
- 行政法administrative law
- 宾夕法尼亚Pennsylvania
- 水平分层开采法horizontal slicing
- 高回收率开采法clean mining
- 崩落开采法caving
- 补充开采法supplementary recovery method
- 友宝二井14层煤建筑物下条带开采法采留宽度尺寸的确定Definition of the mining width of the bench method under buildings at No.14 seam of Youbao Second Well