发电机解列作备用时，定子内冷水应维持循环。
参考答案：对
In order to prevent people spreading rumours through the Internet, the government decided to place ______ on the freedom of spreading news on line.
A．orders
B．reservations
C．restrictions
D．scales
从婴儿到成人上骨的宽度增长（）
A.3倍
B.4倍
C.5倍
D.1.6倍
E.2倍
