refining-factory gas 基本例句 炼厂气 The most valuable use of refinery gas is for hydrogen production.炼厂气最有价值的应用是用于生产氢气。 The lowest value use of refinery gas is direct combustion, specifically to cogenerate steam and power.炼厂气价值最低的应用是直接燃烧，尤其是燃烧炼厂气用来生产蒸汽和发电。