hydrogenatevt.使 ... 与氢化合
hydrogenn.氢
hydrogen recovery process氢回收过程
hydrogenated Si nanotubes加氢硅纳米管
hydrogenated coal tar oil加氢的煤焦油
hydrogen are plasma method氢电弧等离子体法
hydrogenated alkylated tar氢化烷化焦油
hydrogenation oil pipeline加氢尾油管线
hydrogen sulfide poisoning硫化氢中毒
hydrogenated coker naphtha加氢后焦化汽油