离散制造是为特定的产品和预定的生产大纲所设计的。()
参考答案:错
She said she was in great need of such a table and asked me how much _____ table would cost. [ ]
A. such a beautiful wooden round
B. one such beautiful round wooden
C. one such round beautiful wooden
D. such a round beautiful wooden
对于开式齿轮传动,在工程设计中,一般()。
A、按接触强度设计齿轮尺寸,再校核弯曲强度
B、按弯曲强度设计齿轮尺寸,再校核接触强度
C、只需按接触强度设计
D、只需按弯曲强度设计