求翻译：4.3.7 柜内安装的元器件均采用优质元器件，主要元件（如断路器、指示灯、按钮等）采用原装进口或国内合资厂生产的世界名品牌产品，并具有良好的通用性和互换性，注明主要元器件的型号和厂家。 电源模块通过相关鉴定，并有成熟使用经验，并提供证明文件。是什么意思？

4.3.7 cabinet installation components are made of high-quality components, the main components (such as circuit breakers, lights, buttons, etc.) using imported or domestic joint-venture factory of name brand products in the world, and has good versatility and cross transsexuals, indicate the main co

Inside the container 4.3 .7 million of the devices are installed with high quality components, the main elements (such as circuit breakers, indicators, buttons, etc. ) with the original%