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。

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Improved techniques on impact hammer configuration and continuation of dynamic operation are suggested according to engineering specifications and penetration characteristics.

根据贯入特性、工程规范和施工特点，提出了有关桩锤配置与动力连续作业等技术的改进措施。

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By analyzing the changing patterns of the female's body characteristics, the garment sizes, types and specifications were determined.

通过对成年女性形体特征的变化规律及其差异的分析，确立成年女性相应的服装号型规格数。

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