問題詳情
50. The atmosphere in the modified atmosphere package is frequently modified to reduce theoxygen content and increate inert gas content. Which of the following gas in inert gas.
(A) Oxygen
(B) Carbon Dioxide
(C) Nitrogen
(D) Hydrogen Peroxide
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增