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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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building fuel oil and gas engineering
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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felt disease
felting property of wool
felt polisher
felt reinforcements
felts and blankets
felts and blankets for cleaning and oil absorption
felts and blankets for electronic industry
felts and blankets for filtration
felts and blankets for industry textile/industrial felt and blanket textiles
felts and blankets for textile industry
felt whipper
Felty syndrome
FEM
female animal in season
female animal reproductive organs
female athlete triad
female cone
female congenital genital malformation
Female Consort Prince
Female Country:Nüguo
female crime
female culture
female donor
Female Engaged in Public Relations
female external genitalia
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