wax hydrotreatment蜡加氢
catalytical hydrotreatment催化加氢
hydrotreatment catalysts加氢催化剂
hydrotreatment catalyst加氢催化剂
residue hydrotreatment渣油加氢处理
residue oil hydrotreatment渣油加氢处理
high-pressure hydrotreatment高压加氢
non-hydrotreatment非加氢精制
post-hydrotreatment后加氢