... 日常维护保养daily maintenance 电梯维护保养单位elevator maintenance unit 电梯使用单位elevator user unit ...
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鼓励建立以电梯使用单位为参保主体，电梯生产单位和检验机构参与的电梯安全责任保险制度。
Encourage the establishment of elevator use units as the main body, elevator production units and inspection agencies to participate in the elevator safety liability insurance system.
这些电梯由地面发射的激光束驱动，接收装置则是位于机械上的光伏单位——正如太阳能电池板中使用的一样——而这个过程被称做“能量束驱动”（power beaming）。
They are powered by laser beams on the ground firing at photovoltaic cells on the vehicles – like those used in solar panels – in a process called “power beaming”.
单柱电梯使用55加仑装泵盖单位。
Single Post elevator used with 55 gallon cover mounted pump units.
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