最有助于鉴别诊断的辅助检查为
A.颈椎X线片
B.颈段断层摄片
C.肌电图
D.颈段MRI
E.核素扫描
参考答案:D
连词成句。
1. on, love, trips, I, going
____________________________________
2. leaves, train, 11: 25, at, The
3. jump, train, on, don't, the
4. so, Beijing, great, is
5. the, we, train, are, at, station
以下哪种垫圈具有防松功能?()
A.普通平板垫圈
B.自锁垫圈
C.球型垫圈
D.高强度垫圈