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。
Elevator systems—the base, rails, and machine room—can be installed at the factory, eliminating the risk of injury.
这是由被安装在一起的金属杆组成的。
这些杠杆被安装在坦克的一侧,彼此之间紧挨着。
The levers were fitted to the side of the tank next to each other.
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