电源插头应用具有电气专门知识的人来安装。电源插头必须连接到接地插座上。
An appropriate power plug has to be attached to the machine by electric technicians. Power plug has to be connected to a grounded receptacle.
安装适当的小球燃料用具，小球燃料可以加热整个一所房子。
An entire house can be heated by pellet fuel when the proper appliance is installed.
选择这个热水器所要供水的用具附近的位置。这个热水器必须在室内的水平地面上立式安装。
Select a location near the fixture that this water heater will supply. The water heater must be installed indoors and in a vertical position on a level surface.
这与办公用具的人体工学设计、设备的安装、不良的光线照明、工作安排或工作习惯都有关系。
This may be related to ergonomic aspects of furniture design, equipment set-up, improper lighting, work design, or work habits.
电源插头应用具有电气专门知识的人来安装。
An appropriate power plug has to be attached to the machine by electric technicians.
电源插头应用具有电气专门知识的人来安装。
An appropriate power plug has to be attached to the machine by electric technicians.
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