英语词汇“helium return line”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	helium return line
释义	helium return line 氦回收管线
随便看	counterargues counterarguing counterargument counter-argument counter argument counter-argumentation counterarguments counter-arguments counter arguments counter arm counter array counter-art counterassault counter-assault counterassaults counterassert counterasserted counterasserting counter-assertion counterassertion counterassertions counter-assertions counterasserts counter-attack counterattack

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