短語(yǔ)詞組短語(yǔ)plenum ventilation system 送風(fēng)式通風(fēng)系統(tǒng)plenum m system 壓力通風(fēng)系統(tǒng)multi plenum system 復(fù)式箱形噪音消減系統(tǒng)plenum chamber cushion system 增壓墊升系統(tǒng)plenum chamber burning system 外函燃燒系統(tǒng)noise reduction plenum system 減音槽系統(tǒng)plenum noise reduction system 多重隔音氣室系統(tǒng)multi -plenum noise reduction system 多重隔音氣室系統(tǒng) 返回 plenum system