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在发电设备和炼油化工设备制造中,生产不同直径与厚度的炭素钢及不锈钢椭圆形封头(见图1)多采用热模压成形。
In the power generation equipment and refining and chemical equipment manufacturing, the production of different diameter and thickness of carbon steel and stainless steel oval head (see Figure 1) and more use of hot molding.