draw top meaning in Chinese

推拉台面

The relationship between drawing top limitation and characteristics of scallop formation and thickness irregularity along article perimeter is found
确定了极限拉伸程度与齿槽形成特性和零件周边壁厚差特性间的关系。
The test results show that the drawing interval of 1 . 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal
试验结果表明，放煤步距采用三采一放有利于控制顶板极松散细砂岩，降低放出顶煤的含砂率。
The effects of different drawing interval and top - coal fragmental size on flow character of coal - gangue and sand , and on mixed degree of coal and gangue were analyzed during drawing top - coal
分析了不同放煤步距、顶煤块度对放煤过程中煤矸砂流动形态、混矸程度的影响。