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...
It is cool and filter the precipitated caesium dichloroiodide.这是冷却,滤出沉淀的二氯碘化铯.Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission.铯-137是一种放射性同位素, 主要由核分裂产生.Caesium is one of the radio - contamina...