“erecting crane for railway bridge span”的概念、定义、翻译、参考文献-科学参考

单词	erecting crane for railway bridge span
释义	erecting crane for railway bridge span Encyclopedia 工学桥梁施工机械释 erecting crane for railway bridge span铁路架桥机在铁路轨道上行驶或在梁顶面上移动、用于分片或整跨架设简支梁（跨度通常不大于40米）的桥梁施工机械。
随便看	nilpotent radical nilpotent ring nilpotent ring (algebra) nilpotent semigroup nilpotent set nilpotent space nilpotent subalgebra nilpotent subgroup nilpotent subset nilpotent superalgebra nilpotent symmetric space nilpotent transformation nilpotent zero-divisor nil radical nilradical nilradical of a ring nil-representation nilrepresentation of a Lie algebra nil-right ideal nil ring nil-ring Nils-Aslak Valkeapää nil-segment nil-semigroup Nilsen

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