Several secondary sterilization techniques have been used, with gamma irradiation being the most common.

几个中学杀菌技术已被使用，与伽玛辐照是最常见的。

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Several secondary sterilization techniques have been used, with gamma irradiation being the most common.

几个中学杀菌技术已被使用，与伽玛辐照是最常见的。

youdao