1. Fire rating depends on its external insulation layer fire rating. 其防火等级取决于外部保温层的防火等级。
2. This method provided a new basis to nickel coating protection grade rating. 该方法为镀镍层腐蚀“保护”等级评定提供新的依据。
3. What is" Surroundings Rating"? What is "Case Rating"?-How is Determined the Rating Current of Power Semiconductor Devices(I)? 什么是“环境额定”?什么是“管壳额定”?——电力半导体器件额定电流如何确定（一。
英英解释
n.
1. an appraisal of the value of something
2. act of ascertaining or fixing the value or worth of
3. standing or position on a scale
4. rank in a military organization
