driftway
常见例句
- In the Gudan mining district of Siding Lead-Zinc Mine, development has been carried out through driftway.
泗顶铅锌矿的古丹矿区采用平窿开拓,其最低开拓中段以下尚赋存有规模不大的矿体。 - Keywords Driftway transports Accident analysis Fault tree Prevention;
平巷运输;事故分析;故障树;预防; 返回 driftway