题目:
汽车转向系转向轴根部的不直度超过()mm时,应进行冷压校正。
A、0.25
B、0.20
C、0.15
D、0.10
答案:
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参考答案:D解析:[听力原文]21-25 My daughter and I had been searching for the origins of my grandfather, Alfred Denny, for several years. We had nothing definite except ...