护士又紧又深又湿又爽,亚洲vav在线男人的天堂,中文字幕日韩精品亚洲七区,免费国产h视频在线观看86

PFED series double vane pump 雙聯(lián)葉片泵
Double pump combination of differing displacements permits simper circuit design compared to systems using one large displacement pump and provides greater flexibility in circuit design with the benefit of low noise levels.
PFED-43, PFED-54, each section pump flow code, see PFE series single pump technical data.

雙聯(lián)葉片泵有多種組合方式，詳細(xì)請(qǐng)查看PFE系列單泵參數(shù)。