v7.1: modify default value descriptions for enable-partition-separator

[qiancai]

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• This PR is translated from: v7.1: modify default value descriptions for enable-partition-separator docs-cn#13763
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[ti-chi-bot]

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• ran-huang

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[qiancai]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: c467639