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【单选题】

在齿轮加工中作为齿轮轮齿分度的圆称为

A.
节圆
B.
分度圆
C.
齿根圆
D.
齿顶圆
举报
参考答案:
参考解析:
.
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举一反三

【单选题】宫颈糜烂的分度依据( )。

A.
糜烂深度
B.
糜烂形状
C.
糜烂面积
D.
糜烂位置
E.
糜烂性质

【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】呼吸衰竭的分度的主要指标没有以下哪项:()

A.
SaO2指标
B.
PaO2指标
C.
PaO2指标
D.
发绀程度
E.
呼吸频率

【单选题】按临床分度,中度吸入性损伤是指()。

A.
伤及气管以上
B.
伤及咽部以上
C.
伤及细支气管
D.
伤及肺泡
E.
伤及喉部以上

【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】宫颈糜烂的分度依据( )。
A.
糜烂深度
B.
糜烂形状
C.
糜烂面积
D.
糜烂位置
E.
糜烂性质
【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】齿轮的润滑主要靠()
A.
边界油膜
B.
刚性油膜
C.
弹性油膜
【单选题】呼吸衰竭的分度的主要指标没有以下哪项:()
A.
SaO2指标
B.
PaO2指标
C.
PaO2指标
D.
发绀程度
E.
呼吸频率
【单选题】按临床分度,中度吸入性损伤是指()。
A.
伤及气管以上
B.
伤及咽部以上
C.
伤及细支气管
D.
伤及肺泡
E.
伤及喉部以上
【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