短語詞組短語medium pressure steam piping 中壓蒸汽管道medium pressure vapor piping 中壓蒸汽管線high pressure steam piping 高壓蒸汽管道high pressure forged piping 高壓鍛管pressure control piping system 剩余煤氣放散裝置pressure oil piping 壓力油管道pressure e piping 耐壓管線pressure balance piping 壓力平衡管medium -pressure steam piping 中壓蒸汽管線 返回 pressure piping