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;
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