問題詳情
76.下列何者為自然冷媒？
(A) R32
(B) R410a
(C) R744
(D) R134a
(A) R32
(B) R410a
(C) R744
(D) R134a
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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