短語詞組短語local ventilating pipe 局部通氣管loacl uniformization ventilating pipe 局部通風(fēng)管ventilating pipe mounting seat 通風(fēng)管座al foil laminate ventilating pipe 鋁箔復(fù)合風(fēng)管Pipe type ventilating fan 管道式換氣扇 返回 ventilating pipe