锅炉辅机基础采用水泥基灌浆材料进行二次灌浆时,垫铁预埋至少完成()小时后,方可进行设备就位。
A、36
B、48
C、72
参考答案:B
给下列划线字注音:
炫耀( ) 滑稽( ) 陛下( )
骇人听闻( ) 随声附和( ) 赏赐( )
It was ____ useful information that the company_____ much money on it.[ ]
A. so a, paid
B. such, spent
C. so an , paid
D. such a, spent