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加入防腐剂

网络preservatize

加入防腐剂

加入防腐剂

加入防腐剂

preservatize

2

Rapidly cool down the mix-up to prevent enamel separation , and add in preservative if necessary .

快速冷却以防止油质分离，必要时加入防腐剂。

3

In the season in the monsoons shell compound of preservatives , prevent natural objects were odor or at the time .

在梅雨季节还要在制壳胶中加入防腐剂，防止在自然阴干时发霉。

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