solid fuels的用法和樣例：
例句
- We're decided to convert from solid fuel to natural gas when the cold weather sets in.
我們決定在寒冷天氣到來(lái)以后停用固體燃料，改用天然氣。 - The influence of carbon on the process of firing hematite pellet containing solid fuel is investigated.
研究了碳對內配固體燃料赤鐵礦球團焙燒過(guò)程的影響。
