问题
单项选择题
轴瓦和轴颈之间的顶间隙一般可取间隙值等于（）倍的轴颈直径。
A.0.004～0.005
B.0.003～0.004
C.0.002～0.003
D.0.001～0.002
答案
参考答案：D
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轴瓦和轴颈之间的顶间隙一般可取间隙值等于（）倍的轴颈直径。
A.0.004～0.005
B.0.003～0.004
C.0.002～0.003
D.0.001～0.002
参考答案：D
| 补全对话。 | |
| A: Many new kinds of animals are in the zoo. Do you know? B: Oh? 1 . A: Pandas, Lions, monkeys, giraffes and elephants. B: Let's go and see them. A: OK. 2 B: I want to see pandas first. A: 3 B: Because they are very cute. 4 A: I like elephants. B: 10 A: Because they are big, but they are very friendly. | |
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