pdf: implement automatic underscore wrapping table cells

[Oreoxmt]

What is changed, added or deleted? (Required)

Update the LaTex template to implement automatic underscore wrapping in PDF table cells

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What is the related PR or file link(s)?

• This PR is translated from: Modify table layout of pdf tex template docs-cn#16173 pdf: implement automatic underscore wrapping table cells docs-cn#16389
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Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-02-29 06:47:46.182445888 +0000 UTC m=+1117354.930068999: ☑️ agreed by hfxsd.

[Oreoxmt]

/approve

[ti-chi-bot]

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