hydrogenatevt.使 ... 与氢化合hydrogenn.氢hydrogen suppressed graph隐氢图hydrogenation of coal tar煤焦油加氢hydrogen generation plant制氢装置hydrogen ion implantation氢离子注入hydrogenated tallow amide氢化油脂胺hydrogenium concentration金属氢浓度hydrogen dioxide solution[医] 过氧化氢溶液hydrogen-bonded network氢键网络hydrogen-bonding energy氢键键能hydrogen-cooled machine氢冷式电机