气动带手动闸阀
永嘉县英科泵阀有限公司
p1Src=//y1.yzimgs.com/uploads/494846/2018825-162340127.jpg&p2Src=//y3.yzimgs.com/uploads_old/494846/2015121216355666_old.jpg&p3Src=//y3.yzimgs.com/uploads_old/494846/2015121216355677_old.jpg