单词	pumping mechanism
释义	pumping mechanism 泵浦机制
随便看	station substation station superintendent station synchronization station system efficiency station-taking manoeuvre station tanker station technical working diagram station test station (testing) system station throat station throats station time station to station to station station-to-station station to station call station-to-station call station-to-station service station to station transport station total area station track station train operator Station, transfer. station transfer protocol station transformator 几番秋杪几番秋色几番莺外斜阳几番行几番过了几番醉几番际会几番风恶几番风月几番风雨 46200 46201 46202 46203 46204 46205 46206 46207 46208 46209