双机通信\Last Loaded shuang.DBK ........\shuang.c ........\shuang.DSN ........\shuang.LST ........\shuang.OBJ ........\shuang.PWI ........\shuangc ........\shuangc.hex ........\shuangc.lnp ........\shuangc.M51 ........\shuangc.Opt ........\shuangc.plg ........\shuangc.Uv2 ........\shuangc_Opt.Bak ........\shuangc_Uv2.Bak ........\STARTUP.A51 ........\STARTUP.LST ........\STARTUP.OBJ 双机通信