1. IG-541滅火藥劑之氬含量佔多少%?
(A)50%
(B)40%
(C)10%
(D)8%
答案:登入後查看
統計: A(538), B(3477), C(232), D(225), E(0) #819375
統計: A(538), B(3477), C(232), D(225), E(0) #819375
詳解 (共 3 筆)
#1077825
IG-541
氮52%
氬40%
二氧化碳8%
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0