字典網>> 英漢字典>> V開頭詞條>>vacuum pressure valves的意思 漢英字典vacuum pressure valves中文翻譯:【化】 呼吸閥英文字典英文字典相關詞條:vacuum drying machine vacuum-tube amplifier vacuum evaporation vacuum pot vacuum manometer vacuum-chamber vacuum treatment vacuum space vacuumize vacuum-tube keying