英语词汇at mains frequency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	at mains frequency
释义	mains pl — 水管 pl • 电网 pl • 主电源 pl frequency n — 率 n • 频 n • 班次 n • 次数 n • 频率 n • 频道 n • 频数 n • 类频数 n • 卛 n at prep — 于 prep • 对 adv • 乎 prep main adj — 主 adj • 主要 adj • 正 adj • 主干 adj main n — 主体 n
随便看	provides mapping provides marketing services provides maximum provides me an opportunity provides measures provides mechanism provides medical care provides mentoring provides mentoring and coaching provides messaging provides me the opportunity provides metrics provides me with provides minimal provides modern equipment provides moisture provides money provides money for provides monthly reports provide smooth operation provides more provides more clarification provides more detail provides more detail about provides more effective

英汉双解词典包含2273206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。

mains pl —