The direct cause of this bearing 'failure was its improper assembly caused by improper maintenance procedure, and the root cause was too small internal radial clearance after mounting.
而非驱动端轴承损坏的直接原因是由于检修程序不完善使轴承在大修中安装不当所造成的，其根本原因则是轴承安装后游隙过小。
Objective to explore the effect of low constant direct current (LCDC) in the medullary cavity on repairing of rabbit radial defect as to evaluate its clinical value.
目的探讨髄腔内恒定低压直流电刺激对家兔桡骨缺损的修复作用及其临床应用价值。
A model for compensation of radial shift was established to further improve fabrication precision during polar laser direct writing.
为了进一步提高光学元件的线条制作精度，建立了极坐标激光直写时线条中心径向漂移的补偿模型。
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