引入管至最不利配水点高差为10m,则静压差为98.1kPa。
参考答案:对
________ she ran to the classroom, the teacher had begun the class.
A.What time
B.By the time
C.At the time
D.During the time
肱骨中、下1/3骨折并发桡神经损伤会出现下列哪些症状?()
A.垂腕
B.猿手畸形
C.各手指下垂
D.感觉障碍