单词	云斑𫚔
释义	云斑𫚔Ameiurus nebulosus (LeSueur，1817)
随便看	parts per thousand 千分率 parts per thousand｛=ppt｝ parts per trillion parts per trillion (ppt) parts per trillion(ppt) parts per trillion万亿分率 parts per trillion｛=pp｝ parts placement layout drawing parts reclamation parts reliability improvement routine parts repair parts, repair parts; spare parts stock list parts surface part standardization parts usage maintenance program parts washing equipment part switching characteristics parts， repair part-throttle reheat part throttle shift part-through crack part time part-time