In addition, some power seats have a lumbar adjustment that USES a small air pump to inflate a bag or bags on the lower back of the seat to serve as a pillow.

此外，还有一些电动座椅具有腰部位置的调整功能，即在椅背的下部有空气泵充气的袋子，用以像枕头一样的调整腰部位置。

youdao

In addition, some power seats have a lumbar adjustment that USES a small air pump to inflate a bag or bags on the lower back of the seat to serve as a pillow.

此外，还有一些电动座椅具有腰部位置的调整功能，即在椅背的下部有空气泵充气的袋子，用以像枕头一样的调整腰部位置。

youdao