英语词汇actual useful years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	actual useful years
释义	actual useful years 简明释义实际使用年限
随便看	roller snap thread gage roller snap thread gauge Roller's nuclei Roller's nucleus rollerson roller sorter roller spacing roller speed regulation roller spindle roller spiral roller sports roller spot-and-seam welding machine roller spot welding roller squeezing apparatus roller set roller's side roller staining and coating machine roller staining machine roller stamping die roller stand roller standard roller station roller stay roller step bearing Roller's theorem

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。