vd4 meaning in English
维生素d4
Examples
- Zn63m1 - 12 indoor high voltage vacuum circuit breaker operated by permanence magnetic mechanism . intelligent control , simple operating program , less maintenance , install size is compatible with vs1 , vd4
是由新一代高可靠、免维护的永磁机构操动，智能化控制，操作程序简单，外型安装尺寸与vs1 、 vd4完全兼容。