在进行轴的疲劳强度计算时,若同一截面上有几个应力集中源,则有效应力集中系数应取()。
A.其中较大值
B.平均值
C.其中较小值
D.各应力集中系数之和
参考答案:A
The famous artist passed away______ the evening_______ August 15th.
A.on, in
B.on, of
C.in, of
D.in, in
Every time he tried to start the car, the wheels _____ deeper into the mud.
A.stayed
B.sank
C.fell
D.dropped