### Chinese: 答：未注明原厂品牌的一律国产替代产品。
### English: A: <v>There is no indication of the original brand of all domestic replacement products.</v>
### Errors: There is a major accuracy/mistranslation error at "There is no indication of the original brand of all domestic replacement products." within <v></v>.

### Improved English: Answer: Those with no specified original brand are all domestic-made substitute products.
