Pumps are vertical, single - level, single - use type , level inlet and outlet type.
1泵为立式 、 单级 、 单吸式 、 水平进水及水平出水.
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Methods Single - level Bryan disc prosthesis was applied to 27 patients with cervical spondylotic myelopathy.
方法对27例脊髓型颈椎病病人行Bryan颈椎间盘假体置换术.
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Two - level fusion increased ALL strain in the adjacent motion segments, average, greater than single - level fusion did.
两节段融合提高相邻运动节段前纵韧带应力峰值, 平均要高于 单节 段融合者.
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This is our single - level structure of the market, a relatively small - scale investors concerned.
这与我国市场结构层次单一 、 投资者规模相对较小有关.
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