By optimizing the arrangement mode among the gears, the gear transmission system can ensure that the internal space structure of the diesel engine is more compact.
通过优化齿轮间布置方式，可使柴油机内部的空间结构更为紧凑。
Througn designing three axial slots in internal threaded portion and optimizing nib structure, a design was made on the injection mould with a two-step ejecting mechanism with non-rotating.
通过对主体压铸件的结构工艺性分析，确定了模具结构设计方案，介绍了台阶分型面选择、立式缝隙浇口浇注系统设计、预复位推出机构设计和镶块镶拼结构设计。
Througn designing three axial slots in internal threaded portion and optimizing nib structure, a design was made on the injection mould with a two-step ejecting mechanism with non-rotating.
通过对主体压铸件的结构工艺性分析，确定了模具结构设计方案，介绍了台阶分型面选择、立式缝隙浇口浇注系统设计、预复位推出机构设计和镶块镶拼结构设计。
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