Channel section steel is a kind of economic cross section steel, the products are widely used in automobile, aviation, light industry, machinery manufacture and construction areas.
槽钢是一种经济断面型材，广泛应用于汽车、航空、轻工、机械制造以及建筑等各个行业。
Fifth one is the marketing channel tactics of iron and steel product. In this section mainly discussing the importance of the middleman and how to obtain win-win tactics.
五是钢铁产品的营销渠道组合策略：主要阐述了中间商在产品营销中的重要作用以及怎样使中间商和钢厂得到双赢的策略。
This paper presents precise analysis on wall girder torsion of cold bend thin-section steel channel of 2 or 3 continuous bays commonly used.
对单层工业厂房中常用的二跨、三跨连续冷弯簿壁槽钢截面墙梁的扭转问题进行了精确的理论分析。
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