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【判断题】
内啮合圆柱齿轮传动，主动轮和从动轮的转向相同。A.
正确
B.
错误
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A.
also
B.
just
C.
nevertheless
D.
otherwise
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A.
Why don’t you go to
B.
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C.
How about going to
D.
Why didn’t you go for
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