1) reduced head shaping
变径封头成形
2) head forming
封头成形
1.
Much success was made after tackling the key technical issues in head forming, transition forging working process, multiplex-plate welding and overall post welding.
在技术改造中对焦炭塔的材质、结构设计做了重大修改 ,同时对封头成形、过渡段锻件加工、复合材料焊接及整体热处理等关键制造技术进行了攻关改进 ,获得了成
3) completed convex head
成形封头
1.
In this article,the regulation of minimum thickness of completed convex head in GB 150 is discussed.
针对GB 150中关于成形封头最小厚度的规定进行了探讨,分析了在设计图样中标注封头名义厚度和最小厚度的必要性。
4) Dished heads (see formed heads)
碟形封头(见成形封头)
5) formed (see Formed heads)
成型的(见成形封头)
补充资料：一封
1.古以十万平方里为"一封"。 2.指单峰(驼)。 3.表数量。用于书信等封缄之物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条