英语词汇useful beam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	useful beam
释义	useful beam 【放射学】有用束流 [亦作 primary beam]
随便看	line leveling linelike line link line location line loop line loop resistance line loss line losses line lubricator lineman line management line managements line manager line managers lineman's climber linemen linemens line microphone line misregistration line mixer linen linen basket linen baskets linen closet linen closets

英汉双解词典包含483723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。