| 摘要 |
According to one embodiment of the present invention, a flow rate adjustment device is provided with a first wall and a plurality of second walls. The first wall has a first surface, and a second surface positioned on the reverse side of the first surface. The second walls are connected, at positions separated from each other, to the second surface, form a plurality of openings opened in the first surface, and are capable of changing the diameter of the openings by being deformed. |
