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

单词	proper operation
释义	DEFINITIVE EXAMPLES 权威例句〔upkeep〕Maintenance in proper operation, condition, and repair.保养：为保证正常的运行，状况，和修缮状况所做的保养美国传统
随便看	plangent plangent plangorous planholder planiceps planicomp planidium planification planiform planify planigale planigram planigraph planigraphy planimegraph planimeter planimeter planimetering planimetric planimetric planimetric map planimetric survey planimetry planimetry planing

觉斋网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。