mains supply的例句大全

One employed to control water supply by turning water mains on and off.

被雇来通过开关水管节点来控制水的供应的人。

check that the operating voltage and frequency settings are correct for the mains power supply at the installation site.

检查UPS安装场所的主供电电源工作电压和频率设置是否正确。

the drier is of simple, compact design, conveniently portable and easy to operate, the only requirement being a mains power supply.

干燥机设计简单，结构紧凑，方便移动，操作简单，只需接通电源即可使用。

mains power supply fails or restores

市电中断或复原

Every repeater unit is supplied with a mains power supply unit with a 1.9 metre cable.

每个中继器都配备了一主电源的1.9米电缆供电单元.

Connect piping system to water mains, supply tanks, pumps, compressors and control equipment.

为水库, 泵, 压缩机和控制设备连接管道系统和给水总管.