#4低加出口放水门的作用是什么?
参考答案:
在机组启动、凝结水水质不合格时,开启该门进行系统冲洗。
Nobody could understand her though she tried to her idea by using the simplest English, because they are foreigners.
A.display
B.convey
C.say
D.speak
排杆处地形不平或土质松软,应先(),必要时杆段应用绳索锚固。
A.转移
B.平整
C.支垫坚实
D.绑牢