coal mine safety
常见例句
- But coal-mine safety became a hot spot of social attention.
煤炭供需緊張關系緩和，煤鑛安全成爲社會關注熱點。 - The paper analyzes the difference between China and American coal-mine safety.
系統地分析了我國的煤鑛安全與美國相比所存在的差距與不足。 - On Tuesday afternoon, Kevin Stricklin, the federal coal-mine safety chief, hazarded an answer.
周二的下午，聯邦鑛山安全署署長凱文•斯特裡尅林大膽給出一個答案。 返回 coal mine safety