wattage rating

例句：

1. 1.The power supply must be rated for the maximum load it can handle.
   电源必须为它能够处理的最大负载进行额定。
2. 2. The new generator has a higher wattage rating than the old one.
   新发电机的瓦特额定值比旧的高。
3. 3. The device's wattage rating is crucial for its performance.
   该设备的瓦特额定值对其性能至关重要。