电子地

Non-metallic mineral deposits are mainly oil, asbestos, magnesium, fluorite, Glauber's salt, coal, marble, granite and so on.

非金属矿藏主要有石油、石棉、菱镁、萤石、芒硝、煤炭、大理石、花岗岩等。

Objective To explore the operation of using biceps brev.m with moving bone piece of coracoid to treat dislocation of the acromioclvicular joint.

目的 探讨肱二头肌短头带喙突骨瓣移位手术治疗肩锁关节脱位的疗效。