短语词组短语add coal to stove 给炉子再加一块煤coal ball stove 煤球炉coal burning stove 煤炉coal dust ball stove 煤球炉model of coal stove 煤炉模型heating coal stove 暖炉cast coal stove 抛煤机炉water heating coal stove 水暖炉 返回 coal stove