英语词汇operation certificate of machinery怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	operation certificate of machinery
释义	operation certificate of machinery 简明释义机械操作证专业释义 1 材料科学机械操作证
随便看	trifluperidol trifluperidol hydrochloride Trifluperidol Hydrochloride Tablets Triflupro mazine triflupromazine Triflupromazine Hydrochloride trifluralin trifluralin Triflurex trifluridine triflurin trifluromethylthiazide triflusal Triflusulfuron-methyl triflux triflyl trifocal trifocal glass trifocal glass trifocal lens trifocal lenses,spectacle trifocal trifocal spectacle Trifocide trifoil

英汉双解词典包含3185865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。