for physical_disk in c.Win32_DiskDrive():
  for Partition in physical_disk.associators("Win32_DiskDriveToDiskPartition"):
     for logical_disk in Partition.associators("Win32_LogicalDiskToPartition"):
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@echo off
for %%i in (%windir%) do set drive=%%~di
if %drive% equ %~d0 (echo 当前盘符为系统盘) else (echo 当前盘符不是系统盘)
pause
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@echo off
for %%i in (%windir%) do set drive=%%~di
set /p input=请输入盘符：
if %drive% equ %input% (echo 输入盘符为系统盘) else (echo 输入盘符不是系统盘)
pause
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@echo off
for %%i in (Z Y X W V U T S R Q P O N M L K J I H G F E D C)do if exist %%i: if %%i:==%SystemDrive% (echo %%i是系统盘)else echo %%i不是
pause
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(
    echo list disk
    echo select disk 0
    echo detail disk
)|diskpart
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(
    echo list disk
    echo select disk 1
    echo detail disk
)|diskpart
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@echo off
set index=0
for /f tokens^=2^,4^ delims^=^" %%i in ('wmic path Win32_LogicalDiskToPartition get Dependent^,Antecedent ^| find /i "Disk #%index%"') do echo,%%i------%%j
pause
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