coal mine enterprise

常见例句

The utility model discloses a coal mine deformation-resistant air door, which has long service life and can reduce the production cost of enterprises.
本实用新型公开了一种延长使用寿命，降低企业生产成本的煤矿耐变形风门。
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So exploring new technology and new equipment in coal mine enterprises large-scale comprehensive mechanization of mining equipment has the very vital significance.
为此，探讨新技术与新设备在煤矿企业大型综合机械化采掘设备中的应用具有重要的意义。
Accompanying the continuous and rapid demanded of energy by Chinese economy, the coal-mine enterprises of China have acquired the unprecedented developing opportunities;
伴随着中国经济对能源需求的持续迅速增长，中国的煤矿企业获得了空前的发展机会。