burkert宝德3321型2通电动截止阀... 工品汇科技（深圳）有限公司

p1Src=//y2.yzimgs.com/uploads/531837/202472-162312818.png&p2Src=//y3.yzimgs.com/uploads/531837/202472-162318266.png&p3Src=//y1.yzimgs.com/uploads/531837/202472-162322466.png"