“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	ampleness ample sheaf ample vector bundle amplicon amplidyne amplification amplification bias amplification coefficient amplification effect amplification factor amplification, magnification amplification matrix Amplification of demand variation Amplification of the Book of History amplification operator amplification primer amplification ratio amplification refractory mutation system amplification without inversion amplification without inversion, AWI amplified fragment length polymorphism amplified rDNA restriction analysis amplified spontaneous emission amplifier amplifier-inverter

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