... 主要规格及技术参数 Main Specifications and Technical Parameters 工作精度 Working Accuracy 精车试件（H62黄铜）外圆的表面粗糙度Ra ...
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This paper presents main parameters, technical specifications and characteristics of the DQJ point-line meshing gear series reducer.
介绍了DQJ点线啮合齿轮减速器系列的主要参数，技术指标及其特点。
It has introduced in detail on structure, Properties and main technical specifications and technical parameters of cored tool.
详细介绍了取心工具的构造、特点及其主要技术规格与技术参数。
To take the gypsum body filling borehole in the Daizhuang coalmine, Jining as an example, introduced borehole design, main specifications and drilling technical parameters.
以济宁岱庄煤矿石膏体充填孔为例，介绍了该孔的设计、主要技术要求及钻进技术参数。
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