mains input

• 电源输入

mains input的用法和样例：

例句

1. This is cable that can connect with power input and frame grabbers.
   这是电缆，可连接电源输入和图像采集卡。
2. Be sure to connect the power input cord after all other cords have been connected.
   务必在所有其它电线已连接后再连接电源输入线。