mining operation
短语词组
- mining rights operation 鑛權經營
- mining g operation 採鑛工作
- mechanized coal mining operation 採煤機械化
- nodule mining operation 結核開採作業
- hydraulic mining operation 水採作業
- hydraulic hitch mining operation 水採作業
- Set mining operation processes 集採化操作流程
- discharging cartridge in mining operation 鑛山排漏彈
- computer simula -tion in mining operation 鑛山生産過程計算機模擬 返回 mining operation