“the self-erected tower crane”的概念、定义、翻译、参考文献-科学参考

单词	the self-erected tower crane
释义	the self-erected tower crane Encyclopedia 工学塔式起重机释 the self-erected tower crane快装塔式起重机不使用时可将整机折叠起来，施工需要使用时可自行架设和伸展，依靠自身的动力装置实现塔身和吊臂的展开的塔式起重机。简称快装塔机。
随便看	homotopy extension property homotopy extension theorem homotopy fiber homotopy functor homotopy group homotopy group functor homotopy group of a triad homotopy group of CW complexes homotopy group of spheres homotopy identity homotopy invariance homotopy invariant homotopy invariant functor homotopy inverse homotopy inverse mapping homotopy length homotopy lifting homotopy lifting property homotopy lifting theorem homotopy method homotopy monomorphism homotopy of chain mappings homotopy of chain maps homotopy of mappings homotopy of maps

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