水泵机组的布置,电动机容量大于()KW时,相邻两个机组及机组至墙壁间的净距不小于1.2m。
A.55
B.75
C.37
D.18.5
参考答案:A
下列作品与贝多芬无关的是
A.《英雄交响曲》
B.《命运交响曲》
C.《牧神午后·前奏曲》
D.《田园交响曲》
—The terrible accident is under investigation.
—Actually, quicker action _____ those workers trapped in the mine.
A.might have saved
B.must have saved
C.need have saved
D.could have saved