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r175 s195 nei ran ji huo sai xiao r180 nei ran ji lian gan
Pages: 96
Year: Issue:  Z3
Journal: Machinery & Electrical New Products Guide

Keyword:  内燃机活塞内燃机连杆合金结构钢冷挤压成型活塞销加工精度技术条件公司制机械工业部先进工艺;
Abstract: <正> 内燃机活塞销结构简单,加工精度要求高。其外圆直径公差为IT4级。我公司制造的R175、S195活塞销材质为合金结构钢、采用冷挤压成型先进工艺,严格按GB6928—86《内燃
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