mains

基本解释

• n.总线；主要管道
• 名词main的复数形式.

同根派生

英汉例句

• In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply.
  在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
• My new house is not yet connected to the mains.
  我的新房子还没接上水、 电、 煤气呢。
• I turned the gas off at the mains before I went out.
  我出门之前，把煤气的总阀关掉了。
• The electricity supply has been cut off/disconnected at the mains.
  电力供应已在电源处截断。