另一个原因是，钛低变应原。

Another reason is that titanium is hypoallergenic.

youdao

花生是重要的食物变应原。

Peanut is quite a potential food allergen.

youdao

经规范化无菌处理后的新鲜羊膜，一般不具有变应原性，不会引起I型超敏反应。

Fresh HAM won't lead to type I hypersensitivity for lack of allergen performance.

youdao

经规范化无菌处理后的新鲜羊膜，一般不具有变应原性，不会引起I型超敏反应。

Fresh HAM won't lead to type I hypersensitivity for lack of allergen performance.

youdao