四杆机构的压力角和传动角互为(),压力角越大,其传力性能越()。
参考答案:余角;差
_____ tomorrow, our ship will set sail for Macao.
A.However the weather is like
B.However is the weather like
C.whatever is the weather like
D.Whatever the weather is like
适用于技术含量高、工艺或技术方案复杂的大型或成套设备招标项目的评标方法为( )。
A.最低评标价法 B.综合评价法C.综合评分法 D.综合评估法