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

单词	l-beam
释义	L-beam L-beam A beam whose section has the form of an inverted L; usually placed so that its top flange forms part of the edge of a floor.
随便看	rf- rf1 rf1h rf2 rf3 rf 3d shutter glasses rf4ce rf5 r.f.a. rf(a) rf-a rfa rfaa rfab rfabc rfabg rf ablation rfac rfaca rfacs rfaction r factor r factor plasmid r factor, resistance factor r factors

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L-beam