短語詞組短語mining rights operation 礦權(quán)經(jīng)營mining g operation 采礦工作mechanized coal mining operation 采煤機械化nodule mining operation 結(jié)核開采作業(yè)hydraulic mining operation 水采作業(yè)hydraulic hitch mining operation 水采作業(yè)Set mining operation processes 集采化操作流程discharging cartridge in mining operation 礦山排漏彈computer simula -tion in mining operation 礦山生產(chǎn)過程計算機模擬 返回 mining operation