coalpits
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双语例句
- 1. Methods 25 state owned coal mines and 34 small coalpits in Anhui were investigated. Results Pneumoconiosis was the major occupational disease.
- 方法采用职业流行病学方法对淮北、淮南矿业集团25个国有煤矿和全省34家小煤窑的职业卫生状况进行调查研究。
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- 2. The early coal-mining cities generally went through the process from coalpits to coal mines, and then to coal mining districts, and finally to coal-mining cities.
- 早期的煤矿城市大抵经历了从煤窑到煤矿、从煤矿到矿区、从矿区到城市这样一个过程。
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- 3. The early coal-mining cities generally went through the process from coalpits to coal mines, and then to coal mining districts, and finally to coal-mining cities.
- 早期的煤矿城市大抵经历了从煤窑到煤矿、从煤矿到矿区、从矿区到城市这样一个过程。
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