英语词汇“grade beam”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	grade beam
释义	grade beam noun : a sill of structural steel or reinforced concrete atop the foundation of a building and supporting a wall at or near ground level
随便看	timbre timbrel timbrelled time time time about time-advantage time allowance time and again time and a half time and motion study time and temperature method time and time again time at bat time azimuth time ball time base time belt time bet time bill time-binding time bomb time book time buyer time capsule

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