皮皮学，免费搜题
登录
搜题
【单选题】
设计开式齿轮传动时,在保证不根切的情况下,较少齿数。其目的是____。A.
增大重合度,提高传动平稳性
B.
减小齿面发生胶合的可能性
C.
增大模数,提高轮齿的抗弯强度
D.
提高齿面的接触强度
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】A. classification B. compare and contrastC. process ysisD. cause and effect E. problem and solution4. In recent decades, cities have grown so large that now about 50% of the Earth's pop...
【简答题】A. classification B. compare and contrastC. process ysisD. cause and effect E. problem and solution5. The Loggerhead sea turtle is threatened. Conservationists are attempting to help th...
【简答题】相位用于表示周期性运动中每一个周期内各状态。对简谐振动，相位为0，下面哪种说法是正确的？
【简答题】Questions 7-13 Reading Passage 1 describes a number of cause and effect relationships. Match each Cause (Questions 7-13) in List A with its Effect (A-J) in List B. Write the appropriate letters (A-J) ...
【简答题】A. classification B. compare and contrastC. process ysisD. cause and effect E. problem and solution3. To pick the best restaurant for that romantic night out, a number of questions must...
【简答题】A. classification B. compare and contrastC. process ysisD. cause and effect E. problem and solution2. There are as many kinds of restaurants as there are occasions to eat out, but the t...
【单选题】Reading Passage 3 describes numerous cause and effect relationships. Match each EFFECT with one of the CAUSES (A-G) below. NOTE: there are more causes than you will need to use. You may use any cause ...
A.
rise in water vapour
B.
rise in global temperature
C.
greenhouse gases
D.
thick cloud and carbon dioxide
E.
radiation
F.
reduction in the number of trees
G.
holes in the ozone layer EFFECT: ineffective carbon dioxide exchange
相关题目：
参考解析：
知识点：
题目纠错 0
发布
