英语词汇direction indicating device是什么意思，direction indicating device的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	direction indicating device
释义	direction indicating device　示向器
随便看	moving border moving boundary moving boundary electrophoresis moving boundary method moving boundary problem moving brush moving budget moving catalyst bed moving cluster moving coil ammeter moving coil galvanometer moving coil meter moving coil oscillograph moving coil pickup moving coil relay moving coil speaker moving coil wattmeter moving concave moving conveyer moving coordinates moving crane moving cylinder press moving diaphragm element moving die moving down

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