nominal ball diameter
基本解释
- [机械工程]球公称直径
英汉例句
- 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。
双语例句
专业释义
- 球公称直径