东风EQ140采用（）转向器。
A．球面蜗杆滚轮式
B．循环球式
C．蜗杆曲柄指销式
参考答案：C
调节阀、减压阀和节流阀都是用来调节流体的流量、压力的。
I often tell people that have failed in some business that what you lose on the ______ you get back on the roundabouts.
A. swings B. sprays C. ends D. logs
