英语词汇rheostat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	rheostat
释义	rheostat/ˈri:əstæt/n. Electr. an instrument used to control a current by varying the resistance 【电】变阻器 □ rheostatic /-ˈstætik/ adj.[Greek rheos ‘stream’ + -STAT]
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