第三项，单上编号为pa-01，指的是冷却扇转所需要的动力。

The third item, listed as PA-01, refers to the power adapter necessary to run the cooling fan.

youdao

第三项，单上编号为pa-01，指的是冷却扇转所需要的动力。

The third item, listed as PA-01, refers to the power adapter necessary to run the cooling fan.

youdao