气缸盖上微小裂纹采用锉刀、油石或砂轮打磨消除后,应进行()检验合格后方可继续使用。
A.观察
B.液压试验
C.射线探伤
D.涡流探伤
参考答案:B
The policemen were searching for the lost girl in the mountain for a whole night, _____. [ ]
A. coldly and hungrily
B. cold and hungrily
C. cold and hungry
D. coldly and hungry
综观病案发展史,医疗记录的记载方法有:()
A.石刻
B.碑文
C.纸草
D.传说
E.壁画