contact wattage

例句：

1. 1.The power supply must be able to handle the contact wattage of the device.
   电源必须能够处理设备的接触功率。
2. 2.The new circuit breaker has a higher contact wattage than the old one.
   新型断路器的接触功率比旧型高。
3. 3.The engineer carefully measured the contact wattage of the motor before installation.
   工程师在安装前仔细测量了电机的接触功率。