nominal ball diameter
常见例句
- It's suitable for the small caliber valve nominal diameter: airproof test and strength test of DN15/100 flange type, through-type gate valve, cut-off valve and ball valve etc.
适用于小口径阀门通径:DN15/100法兰式、直通式闸阀,截止阀,球阀等阀门的密封测试和强度测试。 返回 nominal ball diameter