介绍了炼油厂中、小型制氢转化炉出口集合管使用材料情况；
The situation of materials applied for outlet manifolds of convertor in medium and small sized hydrogen manufacturing units of refineries were introduced.
介绍了炼油厂中、小型制氢转化炉出口集合管使用材料情况；
The situation of materials applied for outlet manifolds of convertor in medium and small sized hydrogen manufacturing units of refineries were introduced.
应用推荐