脊柱单侧结构疾患对脊柱稳定性的影响 临床医学 关键词】 脊柱； 单侧结构； 不稳； 三柱； 三棱柱 [gap=1317]Key words：spine; single side structure; unstable; three column; threesquare column
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single-side holed structure 单面开孔结构
Instead of using a single fuselage cylinder, they used two partial cylinders placed side by side to create a wider structure whose cross-section resembles two soap bubbles joined together.
该机型不再使用单体圆柱形机身，而改用两个半圆柱形机身并排的设计，这样形成了更宽大的结构，从横截面上看，有如两个连在一起的肥皂泡。
This article presents the structure of ICI Chiyoda new type reformer with side firing and single row catalyst tube, and the characteristics of this reformer by comparing with other type of reformer.
介绍ici—千代田新型侧烧单排转化管一段转化炉的结构，通过与国内使用的转化炉的比较阐述其独特之处。
According to the side cover structure characteristics of table model computer box, determined the progressive die and the single operation die.
根据台式电脑机箱侧盖的结构特性，确定了级进模与单工序模相结合的工艺方案。
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