hydrogenousadj.氢的；含氢的hydrogenn.氢hydrogen storage properties储氢性能Hydrogen Pressure Regulator氢压调节器hydrogen frequency standard氢频率标准hydrogen generation process制氢工艺hydrogenic-donor impurity类氢杂质hydrogen plasma arc process氢等离子弧过程hydrogen evolution material析氢材料hydrogen-fueled IC engine氢燃料内燃机hydrogen-storage material储氢材料Hydrogen diffused Oxygen.氢和氧慢慢混合了。