指导和管理煤矿矿长资格证颁发工作。
To guide and administer qualification certification of coal mine directors.
葛亭煤矿矿长李来源说。
新兴煤矿矿长、副矿长以及总工程师职务已被撤销。
The mine's leader, deputy leader and chief-engineer have all been removed from their posts.
新兴煤矿矿长、副矿长以及总工程师职务已被撤销。
The mine's leader, deputy leader and chief-engineer have all been removed from their posts.
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