Are you familiar with the performance of this type of engine?

你熟悉这种类型的发动机的性能吗？

youdao

Are you familiar with the performance of this type of transistor amplifier?

你熟悉这种晶体管放大器的性能吗？

youdao

Are you familiar with the performance of this type of transistor amplifier?

你熟悉这种晶体管放大器的性能吗？

youdao