| 摘要 |
A gaming machine includes: a CPU 106 which determines whether or not the game state is to be switched to a special game state advantageous to the player; mechanical reels 30A through 30C formed of a translucent material and operative to display multiple kinds of indicating information variably and statically; a motor driving circuit 120 which controls the display operation of the mechanical reels 30A through 30C; a water tank 500 formed of a translucent material and provided behind a display screen 10 to retain liquid; an acid/base solution supply device 710 which injects a substance, which is capable of changing the color of the liquid stored in the water tank 500, into the liquid; and a drive control circuit 300 which controls the acid/base solution supply device 710 according to the determination made by the CPU 106.
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