lamp load

例句：

1. 1. The new design of the lampis much more efficient than its predecessor.
   这款新设计的灯具比它的前身更高效。
2. 2. The lamp load was too heavy forthe old bulb to handle.
   旧灯泡的灯负载太重了，无法承受。
3. 3. Theengineer carefully measured the lamp load before startingthe project.
   工程师在开始项目之前仔细测量了灯负载。