coal electric power的用法和樣例：
例句
- For some utilities, the cost of the permits to produce a kilowatt-hour of coal-fired power now exceeds the cost of the coal.
對某些公用事業(yè)而言，運用燃煤發(fā)電產(chǎn)生一度電，取得許可的成本現已超越燃煤本身的價(jià)格。 - Coal is the dirtiest of all fossil fuels but the government believes it must continue to be burned, to prevent over-reliance on foreign gas.
煤炭是化石燃料中最臟的，但是政府相信，為了防止對外國天然氣的過(guò)度依賴(lài)，燃煤發(fā)電仍然是必要的。
