目的评价颌间弹性牵引术在下颌骨骨折治疗中的作用。
Objective To evaluate the role of intermaxillary elastic traction in treating mandibular fracture.
本文扼要地介绍了机车防振橡胶弹性牵引齿轮的结构。
The structures of elastic driving gears made of antivibration rubber for locomotive use are briefly introduced in this paper.
罗瑟斯塔研究所的研究人员重新设计了蜘蛛运动模式，让最强韧的用来四处活动和阻挡猎物的牵引丝具有弹性和柔韧性。
Researchers at Rothamsted Research redesigned the model to allow for elasticity and flexibility in the spider's dragline, its most sturdy line of silk used for moving about and snagging prey.
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