带传动中的工况系数K与哪些主要因素有关？
参考答案：
K与带传动中的载荷性质，工作机的类型，原动机的特性和每天工作时间有关。
-- He was so angry at _______she was doing _______he walked out and closed the door heavily behind him.
--I am sorry to hear that.
A．what; that
B．that; what
C．that; that
D．what; what
提出X理论-Y理论的是（）
A.韦伯
B.法约尔
C.麦格雷戈
D.泰勒
E.霍桑
