电动四氟密封蝶阀
永嘉县英科泵阀有限公司
p1Src=//y3.yzimgs.com/uploads/494846/2018717-163218168.jpg&p2Src=//y2.yzimgs.com/uploads/494846/201639-171011457.jpg&p3Src=//y3.yzimgs.com/uploads/494846/201639-171020393.jpg