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1·Assemble into a triad body or diad body through linked bracket which has mounting holes for fixing.

可通过支架联结组装成三联体或二联体，支架上有用于固定的安装孔。

2·Assemble into a triad body or diad body. Its regulator knob in pressure regulating valve can be locked, to prevent the location changed in the process of working.

可组装成三联体或二联体。其调压阀调压旋钮位置可锁定，防止了工作过程中的位置变动。

3·The application of ferreous synthetic furnace, triad graphite synthetic furnace and diad graphite synthetic furnace in the production of high purity hydrochloric acid is compared.

对铁合成炉、三合一石墨合成炉、二合一石墨合成炉在高纯盐酸生产中的应用情况进行了对比。