短語詞組短語vacuum -air pump 真空管dry vacuum air pump 干式真空氣泵;干真空泵vacuum and pressure air pump 抽空壓氣兩用泵vacuum pump air removal system 真空泵抽氣裝置;抽氣真空泵組;真空泵抽氣系統(tǒng)vacuum pump air -removal system 抽氣真空泵組vacuum pump of max air [真空]氣鎮(zhèn)泵 返回 vacuum air pump