英语词汇frogging principle是什么意思，frogging principle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	frogging principle
释义	frogging principle　【电】岔移原理
随便看	exploratory puncture exploratory research exploratory shaft exploratory survey exploratory tympanotomy exploratory well exploratory well exploratory work explore explore explore explore explored explored explored explored explorer explorer explorer explorer explorers explorers explorers explores explores

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