分油机中修是对()运行装置每三个月或2000h运行后的一次彻底大检查。①轴承②分离盘③减震器④进口/出口
A.①③
B.②③
C.①④
D.②④
参考答案:D
提示急性出血坏死性胰腺炎的是
A.上腹部包块
B.血清淀粉酶增高
C.胰源性腹水
D.ERCP胰管成串珠样改变
E.腹部CT示胰腺增大
The staterun company is required to make its accounts as ________ as possible for its staff to monitor
the use of money. [ ]
A. transparent
B. reasonable
C. secure
D. formal