词汇	腔儿
释义	腔儿 qiāng ércavity in a vessel；tune
随便看	Public Security Service Company Public Security Service Trades public security situation public security specialty public security staff public security station public security statistics public security status public security study public security subbureau public security subject public security summon and service Public Security supervision system public security system public security system reform public security task public security traffic control public security troop public security troops public security troops forces Public security units public security universities public security universities and colleges public security university public security university library