骨折复位的固定方法

A．手法复位小夹板固定

B．手术切开复位内固定

C．皮肤牵引

D．骨牵引

E．石膏绷带固定

A negative metacentric height（）.

A.will always cause a vessel to capsize

B.should always be immediately corrected

C.always results from off-center weights

D.All of the above are correct