英语词汇battery-supply relay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	battery-supply relay
释义	battery-supply relay 简明释义电池供电继电器网络释义 1 ?电池供电继电器 ... 电池供电\|battery-powered 电池供电继电器\|battery-supply relay 电池固定架\|battery mounting ... 双语例句 1 This AC electronic music door bell is composed of general electronic door bell, rectified power supply, relay and power amplifier and does not need battery to power it. 本发明涉及一种用交流电的电子音乐门铃，由普通电子门铃加整流电源、继电器及功率放大器构成。本发明不再需要电池供电。
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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。