但同时规定当一个信息技术产品的电源是由限功率电源(Limited Power Source)来供电时,若电子零件是安插在防火等级V-1以上的PCB时,则该产品可以不必提供防火外壳,也就是可以使用HB燃烧等..
基于20个网页-相关网页
Depending on the fluid volume and precharge pressure of the accumulator, a limited amount of hydraulic energy is then available independent of any other power source.
根据储能器的流体体积和预充气压力,可获得某限定数量的液压能量而不依赖任何其它动力源。
Because of the limitation of power source, the working time of MDV in each dive will be limited.
由于能源有限,灭雷具每次下潜的工作时间将受到限制。
On energy and so on coal, petroleum, natural gas, geothermal energy, nuclear power, not only the reserves, the development quantity are limited, moreover is the renewable energy source.
就煤、石油、天然气、地热能、核能等能源来说,不仅储量、开发量有限,而且是不可再生能源。
应用推荐