单词	大鼔
释义	同DRUM
随便看	expansion circuit breaker (ecb) expansion circuit breaker{=ecb} expansion-- cleaning expansion cloud expansion cloud chamber expansion club expansion clutch expansion coefficiency expansion coefficient expansion coefficient--coefficient of expansion expansion coil expansion comb expansion cooling expansion-- cosmic expansion cost expansion coupling expansion crack expansion curb expansion-curb expansioncurb expansion curve expansion cylinder expansion deflection nozzle expansion device expansion diffusion