Objective To study the affection of intermaxillary traction after the operation of reduction and internal fasten fixation to treat jaw fracture.

目的探讨坚固内固定术后颌间牵引对骨折复位效果的影响。

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In the past, price was the key factor when purchasing an internal transport system that consisted, for example, of an electric forklift truck, traction battery and battery charger.

在过去，当人们购买内部交通系统，包括电动叉车，牵引电池和电池充电器时，价格是关键因素。

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Objective To study the value of and points for attention in reduction with high weight traction and internal fixation of anterior fusion in treatment of old dislocation of lower cervical spine.

目的探讨大重量牵引复位前路融合内固定治疗陈旧性下颈椎脱位的价值和注意事项。

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