问题
单项选择题
组合式曲轴某轴颈内部存在缺陷，应采用（）修理。
A．更换
B．局部更换
C．光车
D．磨削
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
组合式曲轴某轴颈内部存在缺陷，应采用（）修理。
A．更换
B．局部更换
C．光车
D．磨削
参考答案：B
| 从方框中选择合适的选项，补全对话。 | |
| A: Have you finished your homework? B: 1 Exercise Three is very difficult. A: Don't worry. I'll help you. B: 2 But I think I can do it myself. Could you lend me your English-Chinese dictionary? A: 3 Here you are. B: Thanks a lot. Is Miss Gao in the office? A: Oh, no. She's out at the moment. B: Where is she? Do you know? 4 A:I think she's at the library. She told me she wanted to borrow some books. B: 5 | |
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| 1. 2. 3. 4. 5. |