简述齿轮的精度要求。
参考答案:
(1)运动精度;
(2)工作平稳性精度;
(3)接触精度;
(4)齿侧间隙。
— Did you have a wonderful time at the ball last night?
— ______! I've never had a more wonderful time all my life. [ ]
A. You bet
B. No problem
C. Don't mention it
D. That's right
施工合同文本规定,工程师确认了承包人的施工进度计划后,应当由( )对该进度计划的缺陷承担责任。
A.业主
B.监理单位
C.承包人
D.工程师