muink

@echo off

setlocal enabledelayedexpansion

(for /f "delims=" %%i in ('type 示例文件.txt') do (
   set "str=%%i"
   for %%s in (a b c d e f g h i j k l m n o p q r s t u v w x y z) do set "str=!str:%%s=%%s!"
   REM for %%s in (A B C D E F G H I J K L M N O P Q R S T U V W X Y Z) do set "str=!str:%%s=%%s!"
   echo.!str!
))>示例文件_new.txt
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