英语词汇secondary ion background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	secondary ion background
释义	secondary ion background 简明释义二次离子本底专业释义 1 动力与电气工程二次离子本底 2 机械工程二次离子本底
随便看	contactweather contact weed-killer contact weld contact welder contact welding contact welding machine contact wetting contact wheel contact width contact window contact wipe contact wire contact wire hanger contact wire pre-sag contact wire sag contact wire splice contact with contact with aircraft contact with contractor Contact with hand tool Contact with machinery contact with other cargo contact with other cargoes Contact with plants Contact with plant spines

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。