Operate local or distant control knob, observe the indicator of VCB off and on, while the VCB operation turn one circle, operation counter will add to one count self-motion.是什么意思_Operate local or distant control knob, observe the indicator of VCB off and on, while the VCB operation turn one circle, operation counter will add to one count self-motion.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句