问题
单项选择题
刃倾角为负值时，切屑流向已加工表面，故适用于（）
A、精加工
B、半精加工
C、粗加工
D、光整加工
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
刃倾角为负值时，切屑流向已加工表面，故适用于（）
A、精加工
B、半精加工
C、粗加工
D、光整加工
参考答案：C
| 选择填空，完成对话。 | |
| A: Good morning. What's the matter? B: 1 A: Do you have a headache? B: Yes, I do. A: Open your mouth and say "Ah" . B: Ah. A: 2 B: No, I felt terrible last night. A: Oh, I see. You had a bad cold. B: Do I have to stay in bed? A: Yes. 3 B: Is it serious? A: No. 4 But you really need a good rest and take this medicine. B: 5 A: Three times a day. B: OK. Thank you?
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