\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
前进式开采;
1. 产量装卸货量作业量:working order 工作状态 | working out 产量;装卸货量;作业量 | working out 产量装卸货量作业量
2.
2. 前进式开采:working of lodes 矿脉开采 | working out 前进式开采 | working pit 生产井
3.
3. 算出:working-class 工人阶级的 | working-out 算出 | workingman 劳动者
noun
1. developing in intricate and painstaking detail
Synonym: elaboration