开孔作业前应对封堵设备进行整体试压,其压力为()
A、管线运行压力的1.25倍
B、管线运行压力
C、管线运行压力的1倍
D、管线运行压力的2倍
参考答案:B
He asked ________ for the computer.
A.did I pay how much
B.I paid how much
C.how much did I pay
D.how much I paid
《企业会计准则》属于( )。
A.会计法律
B.会计行政法规
C.会计规章
D.会计规范性文件