微机的中央处理器至少包括哪两部分？
参考答案：微机的中央处理器至少包括：控制器和运算器。
生态养鱼
Multiple fire pumps may be used for other purposes provided that one pump is（）.
A.on line to the fire main
B.kept available for use on the fire main at all times
C.capable of being connected to the fire main
D.rated at or above 125 psi
