题目内容

比较灭菌、商业灭菌、消毒和防腐的异同,并举例。

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如要长期保藏低酸性食品和酸性食品,通常分别采用什么温度杀菌?为什么?

Why does Omarosa think that she is the punching bag (攻击目标) for this group?

Why did Amy say that she would like to work with men instead of women?

路堤填筑中分层填筑是指 ( )

A. 水平分层填筑
B. 纵向分层填筑
C. 以上两种都正确。

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