It connects the chassis of the sound equipment to the building's electrical ground.
它连接了音频设备的底盘和建筑物的地线。
US electrical plugs have two live pins and one ground.
美式电插头有两个火线插脚，一个地线插脚。
Lightning is a rush of electrical current from a cloud to the ground or from one cloud to another.
闪电是一种云和地面或是云和云之间产生的电流冲击。
An example of ground treatment of the electrical education building is introduced.
介绍了某电教大楼地基处理的工程实例。
An example of ground treatment of the electrical education building is introduced.
介绍了某电教大楼地基处理的工程实例。
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