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【毎日一問】工程基礎知識(判断問題)20190330

2019-03-30View Original

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分留システムにおいて、窒素で置換した後にわずかな正圧を保つ目的は、空気中の酸素がシステム内に入らないようにするためです。正解
Reply #22019-03-30
分留システムにおいて、窒素で置換した後にわずかな正圧を保つ目的は、空気中の酸素がシステム内に入らないようにするためです。 正解

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