当一对相互啮合的渐开线齿轮的中心距发生少量改变后,其瞬时传动比将()。
参考答案:保持原值
单词拼写
1. He played the r_______ of the old King in our school play.
2. My father's article was printed at the f_______ of the newspaper.
3. This type of software is widely used in i_______.
4. The teacher asked us to read the d_______ in English.
5. Since China joined the WTO, t_______ between our country and the other ones has increased.
供应链管理是以同步化、()生产计划为指导,以各种技术为支持,尤其以Internet/Intranet为依托。