单词	quinquevalent nitrogen
释义	quinquevalent nitrogen 五价氮
随便看	abrasive cutoff saw abrasive cut-off saw abrasive-cutoff wheel abrasive cut off wheel abrasive cut-off wheel abrasive cutting abrasive cutting drilling abrasive cutting off abrasive cutting-off abrasive cutting off machine abrasive cutting-off machine abrasive cutting-off machineparting-off grinder abrasive cutting wheel abrasive cytologic examination abrasive cytology abrasive damage abrasive disc abrasive disc for grinding cylindrical surfaces abrasive disc mounting abrasive discs abrasive dise abrasive disk abrasive disk cutter abrasive-disk cutter abrasive dresser