使用单台千斤顶时，其承载能力要（）设备重量。
A、大于
B、小于
C、等于
参考答案：A
I shall never forget those years _______ I lived on the farm with the farmers, _____ has a great effect on
my life. [ ]
A. when; who
B. that; which
C. which; that
D. when; which
金风科技1.5MW风力发电机组的发电机结构是（）。
A.3相外转子内定子
B.6相外转子内定子
C.6相外定子内转子
D.3相外定子内转子
