匀速旋转，展示转台。

配件清单：3V纽扣电池，3V减速电机，CR2032纽扣电池盒带开关，轴承内孔8 外径22 高度8，M3垫片，M3*6自攻丝，M3×5基牙螺丝

（Rotate at a constant speed to display the turntable.

Spare parts list:

3V coin cell battery, 3V geared motor, CR2032 coin cell battery box with switch, bearing bore 8 outer diameter 22 height 8, M3 gasket, M3*6 self-tapping, M3×5 abutment screw）