“section steel”的概念、定义、翻译、参考文献-科学参考

单词	section steel
释义	section steel Encyclopedia 工学钢释 section steel型钢具有确定横截面形状（或横截面形状沿长度方向有一定程度的周期性变化）且长度相对于横截面尺寸显著较大的直条钢材。
随便看	axiom of motion axiom of neighborhoods axiom of observable axiom of observables axiom of order axiom of ordered pair axiom of pairing axiom of parallelism axiom of parallels axiom of planes axiom of position axiom of power set axiom of power-set axiom of projective determinacy axiom of projective determinacy (PD) axiom of rational behavior axiom of reducibility axiom of regularity axiom of regularity; axiom of foundation axiom of replacement axiom of restriction axiom of separation axiom of subsets axiom of substitution axiom of sum-set

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。