英语词汇“portal trestle”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	portal trestle
释义	portal trestle [机] 门形支架
随便看	safe procedure safe production safe productivity safe program Safe Prosecution of Voyage safe protector for domestic electric apparatus safe protector for puncher safe pull safer safe radio telegraph certificate safe railway operation safe range safe range of stress safe razor safe razor holder safe reactor control safe refuge safe region safe regulation safe regulations safe relational calculus expression safe reliability saferen safe renter safe retreat

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