英语词汇upgrading system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	upgrading system
释义	upgrading system microdensitometern. 显微光密度计
随便看	Self blame selfbleeding self blended selfblended selfblocking self blocking self blowing selfblowing selfblowing drum filter self blowing drum filter selfblowing torch self bodying selfbodying selfboil self boil self boiled limesulphur self bonded selfbonded self bonded fabrics self bonding selfbonding self bonding fiber self bonding fibre selfbonding silicone rubber Self bow

英汉双解词典包含3607232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。