单级旋片式真空泵 XD型 永嘉县英科泵阀有限公司

p1Src=//y2.yzimgs.com/uploads/176679/2018518-162955956.jpg&p2Src=//y1.yzimgs.com/uploads/176679/2018518-16304228.jpg&p3Src=//y3.yzimgs.com/uploads/176679/2018518-16301250.jpg