词语长焰煤
解释long flame coal
long flame coal〔名词〕长焰煤详细»
长焰煤jet coal;kennel coal详细»
长焰煤free-burning coal;long-flame coal详细»
长焰煤〔名词〕cannel coal详细»
长焰煤gas coal;jet coal详细»
长焰煤candle coal;long flame bituminous coal;long flame coal详细»