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  3. One of the most common techniques is to add alloying elements that inhibit the corrosion.

One of the most common techniques is to add alloying elements that inhibit the corrosion.

admin2013-01-30  15
问题 One of the most common techniques is to add alloying elements that inhibit the corrosion.
选项 A、repulse
B、retain
C、relieve
D、restrain
答案D
解析 这句话的意思是：最常见的一种技术是添加 腐蚀的合金成分。在给出的选项中，repulse：击退，拒绝；retain：保持，保留；relieve：减轻，解除；restrain：抑制，约束。很明显，空格处应填人选项D。
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