词语二次风
解释auxiliary air
auxiliary air〔名词〕辅助的空气详细»
auxiliary air〔名词〕补给空气详细»
auxiliary air〔名词〕辅助空气,二次空气详细»
auxiliary air〔名词〕补给空气,二次风详细»
二次风overgrate air详细»
二次风secondary air详细»