吹扫电磁阀的输人气源压力应低于(),否则易导致火量表损坏。
A.15psi
B.30psi
C.10psi
D.25psi
参考答案:A
---If more roads in the future, it will be much easier for people to travel around Xiangyang.
---I agree.
A.will be finished
B.have finished
C.are finishing
D.are finished
脾的升举作用失常所表现的主要症状是()
A.恶心呕吐
B.腹部坠胀
C.久泻脱肛
D.皮下出血
E.内脏下垂