“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	seed rearing of yellow drum，seed rearing of Nibea albiflora seed rearing of Yellow spotted grunt，seed rearing of Plectorhinchus cinctus seeds seeds (bīja) and present or manifest activities Seed Science and Technology Committee in Chinese Grassland Association seeds coating of herbage species seed selection seed senescence seed separator seed-setting rate seed shattering seeds hypothesis seed soaking seed soaking equipment seeds of agricultural capitalist in Ming and Qing Dynasties seed solarization seed sower seeds stir-fried before use seeds storage of herbage species seed storage seed storage behavior seed subassembly seed treating equipment seed treatment seed treatment by static magnetic field

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