【实验29】门铃
..............\menling
..............\menling.LST
..............\menling.M51
..............\menling.OBJ
..............\menling.Uv2.bak
..............\menling.c
..............\menling.hex
..............\menling.lnp
..............\menling.opt.bak
..............\menling.plg
..............\menling.uvopt
..............\menling.uvproj
..............\menling_Opt.Bak
..............\menling_Uv2.Bak