
提问人:网友13***556
发布时间:2022年4月5日 21:49
[单项选择题]
The cooling system() needs least maintenance work for in this kind of system()
A.open;the minimum components
B.open;the high cooling efficiency
C.central;there are more coolers and a extra set of pumps
D.central;there is only one component contacts seawater

