This instrument has no mechanical and electrical connection with Automobile.
该仪器与机动车辆没有机械和电气连接。
Located on the top or back, is a junction box to allow for electrical connection.
接线盒位于顶部或者后部，以供日后维修以及接线。
We see the following electrical connection types.
我们看以下的电气连接类型。
We see the following electrical connection types.
我们看以下的电气连接类型。
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