“roofing beam”的概念、定义、翻译、参考文献-科学参考

单词	roofing beam
释义	roofing beam Encyclopedia 工学锅炉非承压结构释 roofing beam锅炉顶板梁用于支撑锅炉顶部部分重量的梁。
随便看	smooth quadratic form smooth scheme smooth semigroup smooth set smooth solution smooth space smooth sphere smooth square smooth structure smooth submanifold smooth support point smooth surface smooth system smooth test Smooth Traffic Project of City smooth transformation smooth tube smooth variety smooth vector S-morphism SMOS smoulder smouldering Smouldering Charcoal S. Moutrie & Co., Ltd.

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