14.硝化棉火藥 C24H35O15(NO3)5依含氮量之百分比分類,下列何者正確?
(A)強棉藥
(B)弱棉藥
(C)脆棉
(D)火棉
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統計: A(189), B(179), C(310), D(91), E(0) #3214108
統計: A(189), B(179), C(310), D(91), E(0) #3214108