单词	bead roll
释义	bead roll [机] 圆缘机
随便看	material possession material possessions material preparation material price for estimation material price list material price standard material price variance material price variance account material problem material process material processibility material processing material processing reactor material-processing robot material processing robot material procurement material procure specification material produce material product material production material products material progress material properties material property material property of the commodity syqc syqd syqh syqj syql syqm syqq syqy syqz syrj 闭歇闭气闭环闭珊闭痧闭目闭目塞听闭眼闭经闭营