| 摘要 |
A cassette tray is provided, which includes a bottom plate and two holding members. The bottom plate includes a plurality of positioning holes, wherein the positioning holes are arranged in rows along a first direction, and the rows are spaced apart from each other in a second direction perpendicular to the first direction. Each of the holding members is selectively connected to the positioning holes in one of the rows and mounted on the bottom plate in a detachable manner, and a circuit board is received between the two holding members. |
