膜片式液压、气动快开排泥阀 JM744X、JM644X 永嘉县英科泵阀有限公司

p1Src=//y3.yzimgs.com/uploads/176679/2018523-161915301.jpg&p2Src=//y2.yzimgs.com/uploads/176679/2018523-161922914.jpg