计算分析了不等边Z 字钢在蝶式孔型中厚度变化的规律。
The alteration rule of inequilateral Z-type steel thickness in butterfly pass is calculated and analyzed.
针对31 0乙字钢生产中存在的问题，进行切实可行的工艺研究。
The feasible technical study is made against the existing problems for 310 Z-type steel production.
本文针对蝶式孔型的结构特点，计算分析了不等边不等厚Z字钢在蝶式孔型中边部厚度变化的规律，为生产实践提供参考。
The alteration rule of inequilateral Z-type steel thickness in butterfly pass is calculated and analyzed on its construction property, which can give some information for production.
本文介绍了60D低淬透性钢万向节十字轴和循环球转向螺杆的各项性能及装车使用试验情况。
This paper presents the properties of the U-joint spiders and the worms of recirculating ball steering gear which made from a low quenchability steel 60D, as well as their testing results on the road.
标志牌快速打字机，其要点是设计了一个钢字托架机构和标志牌平台。
The utility model relates to a quick typewriter for a sign board, which is designed with a steel letter bracket mechanism and a sign board platform.
标志牌快速打字机，其要点是设计了一个钢字托架机构和标志牌平台。
The utility model relates to a quick typewriter for a sign board, which is designed with a steel letter bracket mechanism and a sign board platform.
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