词汇	standard machinery
释义	standard machinery 普通机械
随便看	valve flutter valvefold valve follower valve footplate valve for air exhaust valve for air pump valve for arc-extinguishing fluid valve for balloon tube 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