单词	拣矸效率
释义	拣矸效率 efficiency of hand picking
随便看	double contracts double contra octave double contrast double-contrast double contrast arthrography double contrast barium enema double contrast barium enema examination double contrast barium-enema examination double contrast barium meal double-contrast barium meal Double-contrast barium meal Double contrast barium meal radiography Double-contrast colon double contrast cystogram double contrast cystography double contrast eenemca double contrast enema double-contrast enema double contrast enema technique double-contrast enema technique double contrast esophageal radiography double contrast examination double-contrast examination double contrast examination of stomach double contrast gastrointestinal study