Ⅲ类环境的空气消毒可采用()。
A.臭氧消毒
B.紫外线消毒
C.层流通风
D.通风
E.静电吸附式空气消毒器层流通风
参考答案:A, B, D
有的行为尽管法律上没有明文规定为犯罪行为,但只要它具有社会危害性,就可以比照刑法相关规定定罪处罚。( )
During severe storms when survival becomes a major concern,it may become necessary to relieve high anchor tensions on the windward side of the unit by().
A.deballasting the rig
B.ballasting the rig
C.paying out cable on the windward side
D.paying out cable on the leeward side