短語詞組短語gland seal steam condenser 壓蓋密封蒸汽冷凝器gland d steam condenser 汽封蒸汽冷凝器Gland steam condenser fan 軸封冷卻器風機gland steam condenser exhauster 軸封抽氣機Gland steam condenser extraction fan 軸封風機gland leak -off steam condenser 汽封冷凝器 返回 gland steam condenser