下列哪项韧带的变化和腰腿痛关系最为密切()。
A.棘上韧带和棘间韧带
B.黄韧带和棘间韧带
C.黄韧带和前纵韧带
D.黄韧带和后纵韧带
E.棘间韧带
参考答案:D
继电保护整定方案编制的依据有哪些?
The telegram amended ETA 1900/4th owing p wind says that().
A.ETA is received
B.ETA is changed
C.ETA is earlier
D.ETA remains unchanged