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建筑电梯安装工程
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建筑电梯安装工程
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建筑电梯安装工程
电梯生产单位出厂后的产品,在施工现场装配成整机至交付使用的过程。电梯指动力驱动,利用沿刚性导轨运行的箱体或者沿固定线路运行的梯级(踏步),进行升降或者平行运送人、货物的机电设备。电梯按照结构类型可分为垂直电梯、自动扶梯和自动人行道。
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constant stratum
constant stress test
constant sum game
constant-sum game
constant surface
constant symbol
constant temperature and constant pressure MD
constant temperature and humidity air conditioner
constant temperature and humidity air-conditioning system
constant temperature atomization
constant-temperature incubator
constant-temperature interface
constant temperature MD
constant term
constant-term conjecture
constant transformation
Constant Troyon
constant unfolding
constant value
constant variation
constant variational formula
constant vector
constant vector field
constant voltage and constant frequency
constant voltage and constant frequency power
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