搞好矿井技术改造 全面提高经济效益

Improve mine technological reform and lift economic benefit

煤矿企业通过对机械化程度及采掘工艺和生产环节各方面的改造 ,提高了采、掘、运输的效率 。

By the reform on machinery and mining and heading processing ect.production link, mining, heading and conveying efficiency and comprtehensive production ability of mine are lifted.