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【简答题】

当齿轮的齿顶圆外径为400mm时,此时应选用()齿轮。

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参考答案:
举一反三

【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...

A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.

【单选题】骶耻外径正常值为()

A.
30~36cm
B.
8.5~9.5cm
C.
25~28cm
D.
18~20cm
E.
23~26cm

【多选题】开式齿轮的主要失效形式是__。

A.
轮齿折断
B.
齿面磨损
C.
齿面胶合
D.
齿面点蚀
相关题目:
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】管片环外径应根据( )和衬砌厚度等确定。
A.
盾构结构
B.
隧道长度
C.
隧道净空
D.
管片宽度
【单选题】骶耻外径正常值为()
A.
30~36cm
B.
8.5~9.5cm
C.
25~28cm
D.
18~20cm
E.
23~26cm
【多选题】开式齿轮的主要失效形式是__。
A.
轮齿折断
B.
齿面磨损
C.
齿面胶合
D.
齿面点蚀
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