单词	罩盖式电铃
释义	同机内式电铃--罩盖式电铃
随便看	efficiency rating efficiency ratio efficiency reservoir cycling efficiency scrutiny efficiency solar cell efficiency; stage efficiency, static efficiency step-up formula efficiency; supersonic diffusion efficiency system efficiency test efficiency testing machine efficiency-- thermal efficiency; thermal efficiency, thermodynamic efficiency-- thermodynamic efficiency-- thrust chamber efficiency; thrust chamber efficiency tracer method efficiency tracing efficiency tracing method efficiency, transpiration efficiency, trap efficiency, turbine efficiency; turbine