英语词汇certification of a reference material的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	certification of a reference material
释义	certification of a reference material 英?[?s?:t?f??ke???n ?v ? ?refr?ns m??ti?ri?l] 美?[?s?t?f??ke??n ?v e ?r?f?r?ns m??t?ri?l] 释义标准物质的定值
随便看	wide-beam wide beam wide-beam coma wide-beams wide bearing wide bed type oil hydraulic press brake wide-bed-type press brake wide belt wide belt conveyer wide belt sander wide-belt sanding wide belt sanding wide-berth wide berth wide binary wide blade wide blade scraper widebnad wide board sling wide bodied widebodied wide-bodied wide-bodied aircraft wide-bodied commercial aircraft wide-bodieds

英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。