A cylinder column chart USES cylinder data markers in a column chart.
圆柱图在柱形图中使用圆柱形数据标记。
The pressed assembly special equipment of hydraulic jacks, pressed assembly machine with hydraulic cylinder column is manufactured in the general mechinery plant of Huaibei Mining Industry Group.
淮北矿业集团机械总厂自行开发研制了液压千斤顶压装专用设备—缸柱压装机床，实现了千斤顶总装过程的自动化，减轻了工人的劳动强度。
Puts forward stress wave research method when the linear charge blasting. It regarded column stress wave as cylinder stress wave, end stress wave as spherical wave.
提出了将条形药包柱部应力波当作柱面波、端部应力波当作球面波处理的应力波研究方法。
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