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portal crane
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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。
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collective economic cooperatives
collective economic joint cooperatives
collective economy in cities and towns
collective effective dose
collective equivalent dose
collective excitation
collective flow
collective forest
collective forest management
collective forest management and protection contract responsibility system
collective forest region
collective forest tenure reform
collective frequency
collective fruit
collective intelligence
collective interaction
collective interests
collective labor law
collective land ownership
collectively compact sequence
collectively compact set
collectively normal space
collective memory
collective mode
collective model
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