词汇	P作用
释义	P作用医proportional action
随便看	electrical retina electrical riveting electrical riveting machine electrical riveting positioner electrical rocket electrical rollover electrical room electrical rotate-speed Electrical Rotating electrical rubber electrical rule checking electricals electrical safeguard electrical safe life electrical safety electrical safety analyzer electrical safety color electrical safety control system electrical safety design electrical safety inspections electrical safety management electrical safety marking electrical safety measure electrical safety of salt works electrical safety protection