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【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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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】PC失效时，PACK温度由谁来调节（）。
A.
ZC
B.
VC
C.
防冰活门（线圈断电）和10号引气温度传感器（PNTS），保持PACK出口温度11度
D.
AEVC
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】PC失效时，PACK温度由谁来调节（）。
A.
ZC
B.
VC
C.
防冰活门（线圈断电）和10号引气温度传感器（PNTS），保持PACK出口温度11度
D.
AEVC
参考解析：
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