The goal is the minimum of the mining engineer, the best safety product, the lowest breaking of environment, the highest automation of production.
其目标是矿井井巷工程量最小、生产最安全、对环境的破坏程度最低、生产自动化程度最高。
The goal is the minimum of the mining engineer, the best safety product, the lowest breaking of environment, the highest automation of production.
其目标是矿井井巷工程量最小、生产最安全、对环境的破坏程度最低、生产自动化程度最高。
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