b、桐乡货架的结构,货架立柱要看截面的折弯是否多且均匀，货架约多约均匀对称的结构越好。 桐乡货架的横梁要看横梁的挂钩结构和横梁挂到立柱的形式：横梁的挂钩要多些较好，越多受力约好；横梁的挂钩 挂到立柱上要看挂钩与立柱的接触是否紧密一致，挂钩的内侧要与立柱侧面紧密没有间隙这样的结构才能稳定且受力好经久耐用.
a. The material of the shelf is generally cold-rolled steel profile, the best is the national standard, but there are few manufacturers that use the national standard (mainly because of the price), the easiest way is to perform an experiment according to the agreed load of both parties. The material of the shelf in China should be SS400 steel from Baogang's original factory and Shanghai Iron and Steel No. 1 Factory as the best. There seems to be no set of strict and complete shelf industry standards in China, and there seem to be few shelves that can meet the European FEM shelf standards.
b. The structure of Tongxiang shelf, shelf column depends on whether the cross-section bending is more and even, the shelf is about more or less uniform and symmetrical structure, the better.
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