安瓶超声波洗瓶机的压缩空气终端过滤装置滤芯的过滤精度为()。
A.0.85μm
B.3μm
C.5μm
D.10μm
E.0.22μm
参考答案:E
补全对话,每空一词。
A: What colour is the tree, Lingling?
B: 1 green..
A: Do you like green?
B: Yes, I do. It's my 2 colour.
A: Why do you like it?
B: Because I like spring, and the 3 are green in spring.
A: And what is the weather 4 in spring?
B: It's 5
某高层建筑内设有9个电影放映厅,每个电影放映厅的建筑面积约为180m2,设置了一套机械排烟系统,与排风系统合用。问题:该高层建筑排烟口的设置应符合哪些要求?