为了安全，务必用电工胶带绝缘任何未连接的电线。

Be sure to insulate any loose unconnected wires with electrical tape for safety.

youdao

为了安全，务必用电工胶带绝缘任何未连接的电线。

Be sure to insulate any loose unconnected wires with electrical tape for safety.

youdao