power attenuation

• 功率损耗

power attenuation的用法和样例：

例句

1. A much smaller power loss occurs in the cable when energy is transmitted at high voltage.
   用高压输送电能时，沿输电线的功率损耗小得多。
2. The main drawback to this design is the power loss on the upward stroke of the piston caused by the exhaust valving.
   主要缺点是这种设计的功率损耗的向上中风活塞所引起的排气门。