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.
本實用新型公開了一種延長使用壽命，降低企業生産成本的煤鑛耐變形風門。
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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.
爲此，探討新技術與新設備在煤鑛企業大型綜郃機械化採掘設備中的應用具有重要的意義。
Accompanying the continuous and rapid demanded of energy by Chinese economy, the coal-mine enterprises of China have acquired the unprecedented developing opportunities;
伴隨著中國經濟對能源需求的持續迅速增長，中國的煤鑛企業獲得了空前的發展機會。