客室车门电机的额定电压为()电压
A、380V
B、110V
C、60V
D、55V
参考答案:C
节流管汇上的液动节流阀是由()的三位四通换向阀控制。
A、远控台
B、司控台
C、节控箱
Which of the following is NOT the factors that have helped to set up the cognitive psychology()
A. The development of computer technology.
B. Jean Piaget's research work on the reasoning abilities of children.
C. The study of Barry Mclaughlin.
D. The work of the American linguist Chomsky.