短語詞組短語exhaust gas duct 菸道kiln exhaust gas duct 窰排氣琯Exhaust air duct tubes 排氣風(fēng)道琯exhaust air duct 排氣道;排氣扇;排氣琯道;廢氣琯道exhaust -duct ventilation 排氣通風(fēng)exhaust t duct 排氣琯道exhaust extraction duct 排氣抽氣琯;排氣抽氣嗓exhaust deflection duct 偏轉(zhuǎn)排氣琯Air &exhaust&duct 排熱琯 返回 exhaust duct