Railway applications - Electric equipment for rolling stock - Part 4: electrotechnical components - Rules for AC circuit - breakers.铁路设施.机车车辆用电气设备.第4部分: 电工元件. 交流断路器规则.ISO collaborates closely with the International Elect...

电工学的...

electrotechnical的音标：electrotechnical的英式发音音标为：[elektrəʊ'teknɪkəl]electrotechnical的美式发音音标为：[elektroʊ'teknɪkəl]...