The combustor is of the vaporiser type, and hence is equipped with three preheat burners.
燃烧室是汽化器的类型，因此是有三个预热刻录机。
The paper introduces welding technology of type ZY6400/12.5/28 hydraulic support, from several respects of selecting materials preheat before welding, welding process and so on.
从焊接材料的选用，焊前预热、焊接过程和焊后热处理的控制几个方面，着重介绍了ZY6400/12.5/28型液压支架的焊接工艺。
应用推荐