英语—风扇方面

英语—风扇方面：Fanassemblyimpeller扇叶材料：Plasticaxis/shaft轴心材料：Metalcase磁条外壳（马达壳）材料：Metalmagnet磁条（磁环）材料：rubbermagnetspring弹簧材料：Metalbearing滚珠轴承（培林）sleeve含油轴承材料：Metaltopcover上绝缘架bottomcover下绝缘架材料：PlasticSIsteel矽钢片材料：MetalCopperwire漆包线材料：MetalPWBassembly电路板材料：Glassfiber，Paper，Epoxyresin，copperframe外框材料：Plasticstator定子rotor转子fastenerring扣环:Oring/Cringsleevefan含油轴承风扇1-Ball1-SleevebearingfanDual-Ballbearingfanmagneticpole磁极BoardandSystemImplementationOncethethermalsolutionisdefined,thesystemdesignerandboarddesignercandefinethefanspeedcontrolimplementation.Thefirststepistoselecttheappropriatefanspeedcontroller(FSC).Figure17showsthemajorconnectionsforatypicalimplementation.tachometer转速计，流速计PertheFanSpecificationfor4wirePWMControlledFans,therearethreepossibleoptionstoconsider：根据4pin带PWM控制风扇的规格书，有三种可以考虑的选择。Per：Initsmoregeneralusetomean“accordingto”(asinperthetermsofthecontract),itisbestreservedforbusinessandlegalcommunications,unlessthewriterseeksatoneofjocularformality.更普遍的意思是“根据”（如见perthetermsofthecontract)，最适于商业和法律交流，除非作者想寻求一种滑稽的正式口吻