hydrogenite氢发生剂
hydrogenn.氢
hydrogenerating unit水电机组
Hydrogen product ion制氢
hydrogenated reactor加氢反应器
hydrogen overvoltage氢超电压,氢过电压
Hydrogen abstraction攫氢
hydrogen molecule io氢分子离子
hydrogen bond proton氢键质子
hydrogen breath test氢呼吸试验
hydrogenated naphtha氢化石脑油
hydrogen oxygen cell氢氧电池