detachable foot pad, two fixed design, can be used as delivery table and the use of the entire bed.
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The design centers around a moving carriage between two fixed tool bars.
该设计中心，围绕着移动车厢两个固定工具栏。
ObjectiveTo observe the effects of the two kinds of rigid fixed bridge design on the stress of the alveolar bone of mandibular first molar after hemisection.
目的观察下颌第一磨牙半切术后两种双端固定桥修复对牙槽骨应力分布的影响。
Frame is sectional steel design with two lateral safety grids. Supporting angles are fixed on bush roller chains.
采用型钢焊接的框架结构，两侧有安全护网，带支撑挂耳固定在链条上。
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