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如果在大凸缘图样儿收容容器检查要求

19-01-27  点击:256 次|文章发布日期: 2018-01-27 11:49:05

  大型焊接凸缘标准生产: 由于容器缸筒标称直径和不同大小的公称直径表示特定的,所以容器凸缘和该管的相同的标称法兰直径是不相同的尺寸,两者不能彼此替代。

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