2. 外语
  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.

admin2011-02-26  68
问题 One of the most common techniques is to add alloying elements that inhibit the corrosion.
选项 A、restrain
B、retain
C、relieve
D、repulse
答案A
解析
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