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【单选题】
韶山4电力机车传动齿轮的齿形偏差（）时禁用。
A.
≥0.2mm
B.
≥0.3mm
C.
≥0.35mm
D.
≥0.4
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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】φ50H10的孔，已知IT10=0.100mm，则上极限偏差为（）mm，下极限偏差为（）mm。
A.
+0.1,0
B.
+0.05，-0.05
C.
0，-0.1
D.
0.2，0.1
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】φ50H10的孔，已知IT10=0.100mm，则上极限偏差为（）mm，下极限偏差为（）mm。
A.
+0.1,0
B.
+0.05，-0.05
C.
0，-0.1
D.
0.2，0.1
参考解析：
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