sooty coal 中文意思是什麼
sooty coal
解釋
土煤-
Its coal - burning kilns spew out huge quantities of sooty waste and chemical compounds such as sulfur dioxide and nitrogen dioxide
在這里,燒煤的窯爐噴出大量的黑色廢氣及二氧化硫和二氧化氮等化合物。
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