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山东省泰安农具厂根据生产的需要,试装了一座内径480公厘的三节炉,它的详细构造及主要尺寸如图所示,试用情况如下:
According to the needs of production, Shandong Taian Farm Tools Factory tried out a three-section furnace with an inner diameter of 480 mm. Its detailed structure and main dimensions are shown in the figure. The trial conditions are as follows: