"骨性"与"纤维性"关节强直的X线鉴别点是()
A.关节间隙变窄
B.关节面糜烂
C.关节狭窄,硬化增生
D.关节狭窄,关节缘骨破坏
E.骨小梁通过关节间隙
参考答案:E
Can you tell me______?
A.who is that gentleman
B.that gentleman is who
C.who that gentleman is
D.whom is that gentleman
卷筒上有裂纹,经补焊并用砂轮磨光后可继续使用。