根据主轴铸件的结构特点及质量要求，采用了平做立浇铸造工艺。
Considering the construction and quality requirements of the principal shaft, a special production process with horizontally molding and vertically pouring was adopted.
本文介绍QN17-91型空气捻接器的机构特点、捻接质量测试及对捻接纱结构的分析等情况。
The paper presents the structural features of QN17-91 air splicer while studying splicing quality and splicing joint structures, etc.
详述本生产装置各部位的工艺参数、特点及原料切片的质量要求。
The process parameters, characteristic and the quality requirement on chip material of different parts in the production equipment are described in detail.
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