年龄二组IW场地为:
A. 12x12m2
B. 10x10m2
C. 7x7m2
斑蝥的用量为:()
A. 0.01g—0.05g
B. 0.03g—0.06g
C. 01.g—0.5g
D. 0.5g—1g
Cylinder liner cooling is often referred to as ()
A. piston cooling
B. central cooling
C. jacket cooling
中耳炎常见的病原菌是()
A. 链球菌、葡萄球菌
B. 沙门氏菌、绿脓杆菌
C. 破伤风梭菌
D. 布氏杆菌
E. 芽孢杆菌