| 摘要 |
A physical therapy instrument for meridians comprises a surface housing (1), a bottom housing (2), a circuit board (3), a display screen (4), a battery cartridge (5) and keys (6). Through holes are formed on the surface housing (1), corresponding protrusions (7) are arranged on the bottom housing (2), the protrusions (7) match the through holes, the through holes and the protrusions (7) are combined into three groups, and a protrusion (7) combined by a group of the through holes and the protrusions (7) is a screw hole column. |
