40 Water as an extinguishing agent was approved by the EPA as an acceptable ______ to halon 1301 in 1994.
(A)alternative
(B)ultimate
(C)commodity
(D)need

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統計： A(280), B(139), C(129), D(81), E(0) #1609665

吳宗勳

B1 · 2017/07/27

#2363896

Water as an extingui...

(共 251 字，隱藏中）

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Shih Yu Huang

B2 · 2019/06/26

#3441146

(A)alternative 替代(B)...

(共 99 字，隱藏中）

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骨頭（四等一般警特正取）

B3 · 2020/05/22

#3986461

Water as an extinguishing agent滅火劑 was approved by the EPA as an acceptable ______ to halon 1301 in 1994.

(B)ultimate的中文意思：最后的；极限的；首要
(C)commodity翻譯：商品，貨物, 寶貴素質。