涡喷13F型发动机高压转子是由中轴承、()支承。
参考答案:后轴承
New Year's Day is _________.[ ]
A. January 1st
B. February 1st
C. May 1st
—Lily, is this your key?
—Yes. _____. [ ]
A. OK
B. Good
C. Thanks
D. Bye