无

wú not to have; no; none; not; to lack; un-; -less

痕

hén scar; traces

修复

xiū fù to restore; to renovate; restoration; (computing) to fix (a bug)

工具

gōng jù tool; instrument; utensil; means (to achieve a goal etc)

大全

dà quán all-inclusive; complete; comprehensive collection

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