at the mains

在总开关处

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(BrE) Used to indicate the point of control for a utility supply.

(英式英语) 用来指示公用事业供应的控制点。

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例句 (10)

at the mains = 在总开关处 ((英式英语) 用来指示公用事业供应的控制点。)

  • Turn the water off at the mains.把水从总闸处关掉。
  • You should switch off the electricity at the mains before working.工作前你应该在总电源处切断电力。
  • If you smell gas, turn it off at the mains immediately.如果你闻到煤气味，立即在总阀处将其关闭。
  • The plumber isolated the supply at the mains.管道工在总管道处隔离了供应。
  • Make sure to disconnect the power at the mains first.务必先在总电源处断开电源。
  • We need to shut down the system at the mains.我们需要在总开关处关闭系统。
  • Do you know how to turn the water off at the mains?你知道如何在总闸处关水吗？
  • There was a leak, so I shut everything off at the mains.有泄漏，所以我在总闸处把所有东西都关了。
  • Always check if the appliance is disconnected at the mains.务必检查电器是否在总电源处已断开。
  • It is safer to cut the supply at the mains in this case.这种情况下，在总闸处切断供应更安全。