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现今矿山生产的发展趋势是力求高产量和高效率。提高开采效率的唯一途径是提高机械化水平,同时合理使用人力。机械化的主要目的在于减轻工人体力劳动,使矿工作业安全,人体和环境免受危害。但另一方
The current trend of mine production is to strive for high output and high efficiency. The only way to increase productivity is to increase mechanization while using manpower reasonably. The main purpose of mechanization is to relieve the manual labor of workers, to ensure the safety of miners and the human body and the environment. But the other party