词汇	concrete part
释义	concrete part 混凝土构件
随便看	valve for balloon tube,rubber valve for balloon tube, rubber valve for blowpipe,automatic stop valve for breathing,indicating valve for delivering secondary air valve for dischargeing gas valve for forceps opening valve for general use valve for homogenizing flap valve for inner tube Valve formation obstruction valve forming valve for petroleum equipment valve for pipeline valve for powered support valve for preventing drip valve for preventing drip for nozzles valve for preventing drip, nozzles valve for preventing return flow valve for preventing return flowback-water gate valve for recycling exhaust gases valve for sticky medium valve for tubeless tire valve for tubeless tyre valve for valve