“门式起重机”的概念、定义、翻译、参考文献-科学参考

单词	门式起重机
释义	门式起重机 Encyclopedia 工学〔轻小型起重设备〕释 gantry crane门式起重机桥架通过两侧支腿、下部横梁和运行装置直接支承在地面轨道或地基上的桥架型起重机。又称龙门起重机。
随便看	projective determinacy axiom projective determination projective differential geometry projective dimension projective dimension of a module projective displacement projective distance projective duality theorem projective element projective elimination ideal projective embedding projective embedding theorem projective equivalence projective extension projective extension theorem projective fiber bundle projective finite geometry projective frame projective general linear group projective general orthogonal group projective general unitary group projective generation projective generator projective-geometric projective geometry

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。