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。
The reliability of this technique, which is based on the use of special flat-jacks, has been studied by means of calibration tests carried out in laboratory on large size samples.
试验中采用专用的扁式液压千斤顶，并采用试验室足尺模型标定试验，研究了这种方法的可靠性。
The reliability of this technique, which is based on the use of special flat-jacks, has been studied by means of calibration tests carried out in laboratory on large size samples.
试验中采用专用的扁式液压千斤顶，并采用试验室足尺模型标定试验，研究了这种方法的可靠性。
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