Said cold bag is safe for preservation and its refrigerant is non-toxic, pollution less to environment.

这种冷袋保存安全、致冷剂无毒对环境无污染。

youdao

Said cold bag is safe for preservation and its refrigerant is non-toxic, pollution less to environment.

这种冷袋保存安全、致冷剂无毒对环境无污染。

youdao