二氧化碳可用于扑救过氧化钠等活泼金属的过氧化物火灾。()
参考答案:错
在中控室工业微机操作键盘上“OBJECT”代表(),“PRINTER”代表(),“MAN”代表()。
These include design for reliability, design for serviceability, design for modularity and design for quality, which must be applied in the entire system.
A.for
B.to
C.with
D.as