公称内径 meaning in English
nominal bore
Examples
- Transformers ; outlet valve dn 15 and dn 32 for sampling and discharge
变压器.取样和排放用15和32公称内径的放出阀 - Fluid power systems and components . connectors and associated components . nominal outside diameters of tubes and nominal inside diameters of hoses
流体动力系统和部件.连接器和相关部件.导管的公称外径和软管的公称内径