【实验24】产品数量计数器
........................\jishu
........................\jishu.LST
........................\jishu.M51
........................\jishu.OBJ
........................\jishu.Opt
........................\jishu.Uv2
........................\jishu.c
........................\jishu.hex
........................\jishu.lnp
........................\jishu.plg
........................\jishu_Opt.Bak
........................\jishu_Uv2.Bak