以下哪型骨折应用夹板或石膏固定疗效不确切()。
A.需纠正成角移位的横行骨折
B.需纠正短缩移位的斜形骨折
C.粉碎性骨折
D.青枝骨折
E.需纠正旋转移位的骨折
参考答案:B
____ to teaching, as we know, contributes to his popularity with his students.
A.To devote
B.Devoted
C.Being devoted
D.Devoting
烧结矿工序能耗是指每吨烧结矿所消耗的()、()、()、()、()所折合成的标煤的和。