Elevator systems—the base, rails, and machine room—can be installed at the factory, eliminating the risk of injury.
电梯系统——包括底座、轨道和机房——可以被安装在工厂里，把受伤的风险降到最小。
Our factory specialized in the production of various types of elevator.
我厂专业生产各种型号的提升机。
Upon appraisal, the factory has passed elevator B class certificate renewal evaluation, and at the same time it is highly praised.
经鉴定，该厂顺利通过了四年一次的电梯B级资质换证评审，并获得了高度评价。
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