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预制圆井模具检查井模具的需求量大增，常见的各种材质检查井制品当中，由于树脂复合材料不可回收再利用，符合环保要求。所以，电火花线切割的出现就*大的方便了检查井钢模具的生产，保证了模具的尺寸规范。The production cost of prefabricated round well mould and inspection well mould is low. With the improvement of inspection well steel mould manufacturing technology and quality. The formed castings shall conform to the shape, size and various technical requirements specified in the die casting drawing
In particular, try to ensure that * * and high-quality parts meet the requirements. The inspection well produced is a closure at the entrance and exit * to underground facilities. It is necessary to install inspection wells where public facilities are installed
The state has increased its investment in infrastructure and the development of urbanization. The state has invested heavily in public facilities and urban transformation.
The demand for prefabricated round well molds and inspection well molds has increased greatly. Among the common inspection well products of various materials, the resin composites can not be recycled and meet the requirements of environmental protection. Therefore, the emergence of WEDM is * big
The utility model facilitates the production of the steel mould of the inspection well and ensures the dimension specification of the mould.
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