D673X-0.6-DN50,D673X-0.6-DN65,D673X-0.6-DN80,D673X-0.6-DN100,气动对夹式软密封蝶阀
1


1.76


2.75


4.4




气密封试验


0.6


0.6


0.6


0.6


0.6




渗透

01/22 02:17