关于HTRI帮助文件里面介绍的换热器前封头A、B的区别? Type B (bonnet integral cover) is the standard front head as it is the cheapest and simplest. It would be used whenever frequent mechanical tubeside cleaning is not required (for instance where there is a clean tubeside fluid).Please note that the difference between types A and B is the fact that the cover is removable in A, not the shape of the cover plate. 不是太能理解的了 Please note that the difference between types A and B is the fact that the cover is removable in A, not the shape of the cover plate. 这句话是啥意思 我知道A的平盖可以移动,但是这个cover plate是啥 查看更多1个回答 . 3人已关注