面部老化的解剖方面变化包括()。
A、鼻唇沟的突出度减小
B、睑颊结构下垂
C、鼻唇沟的突出度增加
D、颊部失饱满
E、颧部脂肪垫的下垂
参考答案:B, C, D, E
中药说明书格式中的“主要成分”是指
A.主要药味B.有效部位C.有效成分D.主要成分的化学名称E.主要药味、有效部位或有效成分
Electric cargo winches have an overload safety device which normally cuts the current to the winch motor().
A.after torque cause line pull to exceed the rated capacity of the winch
B.before the line pull reaches the rated capacity of the winch
C.when the line pull reaches the breaking strengh of the fall
D.before the safe working load of the fall is reached