小儿麻痹马蹄内翻畸形,联合手术不采用下列哪项()
A.胫前肌转位术
B.跟腱延长术
C.跖筋膜切断术
D.三关节固定术
E.屈肌止点切断术
参考答案:E
No student ______ go out of the school campus after 10:00 at night without permission according to the school regulations.
A.shall
B.must
C.would
D.should
容积式泵是依靠工作室容积()改变而输送液体的。
A、速度
B、旋转
C、间隙
D、效率