不抽水不用油隔膜真空泵隔膜真空泵真空泵图片

p1Src=//y1.yzimgs.com/uploads_old/345003/2013031411390626_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/345003/2013031411390626_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/345003/2013031411390626_old_2.jpg"