“portal crane”的概念、定义、翻译、参考文献-科学参考

单词	portal crane
释义	portal crane Encyclopedia 工学〔轻小型起重设备〕释 portal crane门座起重机安装在沿地面轨道行走的门形底座上的全回转臂架型起重机，其门形底座下方可通行铁路车辆或其他无轨运输车辆（如汽车）等。
随便看	lithium disopropylamide lithium disopropylamide (LDA) lithium drift detector lithium-drifted germanium detector lithium-drifted silicon detector lithium fluoride lithium fluoride battery lithium hexafluorophosphate lithium hydride lithium hydroxide lithium intercalation compound lithium ion battery lithium-ion battery lithium-ion battery electrolyte lithium ion battery management system lithium-ion diffusion coefficient lithium iron orthosilicate lithium iron phosphate lithium isotope hydrogeology lithium isotopes lithium isotopeseparation lithium lron phosphate lithium manganate lithium manganese dioxide battery lithium-manganese dioxide battery

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