Which of the following is TRUE about the woman according to the conversation？
A. She"d like to meet Jane Smith.
B. She is usually smartly dressed.
C. She is taller than Jane Smith.
D. She once was Jane Smith"s colleague.
查看答案
How old is Jane Smith？
A. She is a quite young lady.
B. She is middle-aged.
C. She is 40 years old.
D. She is of the retirement age.
What does the man hope the woman to do？
A. To go to the airport.
B. To work with Jane Smith.
C. To offer some information.
D. To meet Jane Smith.
对于刚性转子，已满足动平衡者，也必满足静平衡。 ()
一对直齿轮啮合传动，模数越大，重合度也越大。 ()
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