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.是什么意思_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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句