英语词汇operation study是什么意思，operation study的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	operation study
释义	operation study　【经】作业研究, 操作培训
随便看	round head bolt round head carriage bolt round head knurled rivet round head screw round head square neck bolt round head stake round head wood screw round heart round herring round herring round hole broach round horizon round house round in round in round in round in shape round ingot round into round into round iron round key round kiln round knot round liaments

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。