faulty coal的用法和樣例：
例句
- It intuoduces the tech-economic effects about transforming chain furance to fluidizing bed,provides conditionsFor faulty coal use.
介紹鏈條爐改成沸騰爐的技術(shù)經(jīng)濟效果，為改善鏈條爐操作性能，為劣質(zhì)煤的推廣應用，提供了完全可能實(shí)現的途徑。 - The usage of the inferior coal in the gangue power plant increases the discharge of the flue-gas pollutants and causes the environmental pollution.
煤矸石電廠(chǎng)燃用劣質(zhì)煤增加了煙氣污染物的排放并造成環(huán)境污染。
