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我所与北京电梯厂合作试制了两台液压电梯,分别安装在北京结核病院和北京粮油食品进出口公司的五里店仓库。它们的主要性能参数为:
I have cooperated with Beijing Elevator Factory to manufacture two hydraulic elevators, which are respectively installed in Wulidian warehouse of Beijing TB Hospital and Beijing Cereals, Oils & Foodstuffs Import and Export Corporation. Their main performance parameters are: