英语词汇hard tube是什么意思，hard tube的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	hard tube
释义	hard tube　【电】硬性电子管
随便看	rule-based rule-based rule-based deduction system rule-by-rule rule-interpreter rule-of-thumb method rule-violating rulebook rulebook rulebook ruled ruled ruled ruled class ruled counting plate ruled form ruled-bin system ruleg ruleless ruleless ruleless ruler Ruler ruler ruler

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