【单选题】下列有关回油路节流调速回路的说法中正确的是( )
C.
广泛用开功率不大、负载变化较大或运动平稳性要求较高的液压系统
【简答题】Write a composition of 250—300 words on the topic given below. Use proper space on ANSWER SHEET. (15%) Topic: Honesty and Cheating
【单选题】_____ rods are not in proper condition so that too much fuel is supplied to the corresponding cylinder.
【单选题】Use proper, well-maintained equipment.
【单选题】Proper use of rhetoric, valued reader, can make your prose so much more interesting!
【单选题】下列有关回油路节流调速回路的说法中正确的是( )。
C.
广泛用于功率不大、负载变化较大或运动平稳性要求较高的液压系统