在异常压力段,由于岩石孔隙压力的影响,钻速随孔隙压力的增大而(),dc指数则相应()。
参考答案:增大;减小
The 16th Asian Games were held in ____ city of Guangzhou, ____ international big city in the
south of China in November. [ ]
A. a; an
B. the; an
C. a; the
D. the; the
配置青霉素皮试液时,其皮内注射剂量为
A.10UB.50UC.100UD.500UE.2500U