1) pass of rectangular pipe
方矩形管孔型
2) box pass
矩形孔型
3) inserting type four rollers
方矩型管
4) square and rectangular pipe
方矩形钢管
1.
We carried out the manufacture of the double-welded seam square and rectangular pipe by it,it is the practicing and application of steel pipe with heavy in section.
介绍了双焊缝方矩形钢管生产技术的特点及冷弯等边槽钢孔型设计参数。
6) Rectangle Big-Opening Nozzle
矩形大开孔接管
1.
Three-Dimension Finite Element Analysis and Strength Calculation of the Rectangle Big-Opening Nozzles on the Shell of an Internal Pressure Vessel;
内压容器壳体上矩形大开孔接管三维有限元分析与强度计算
补充资料：方中矩
方中矩
方中矩 清代医生。字璇圊，四川涪州人。精医术，刚正不阿，治病本于古而不泥于古，多奏奇效。甚重医德，不较人报酬，邑人重之。
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