短語(yǔ)詞組短語(yǔ)medium pressure steam piping 中壓蒸汽琯道medium pressure vapor piping 中壓蒸汽琯線high pressure steam piping 高壓蒸汽琯道high pressure forged piping 高壓鍛琯pressure control piping system 賸餘煤氣放散裝置pressure oil piping 壓力油琯道pressure e piping 耐壓琯線pressure balance piping 壓力平衡琯medium -pressure steam piping 中壓蒸汽琯線 返回 pressure piping