这段英文怎么翻译好? hydrogen service is defined as free hydrogen or mixtures of hydrogen with hydrocarbons or other fluids where the hydrogen partial pressure is above 75 psi. (5.2 barg) absolute at the most severe operating condition. 氢环境定义为:在最苛刻的操作条件下,游离氢或氢分压大于75psi(绝压)(5.2barg)的氢与烃(或氢与其它介质)混合物(的环境)。 [ ]查看更多