Pure nitrogen or argon is bubbled through the solution until all color is gone.
向溶液中鼓入纯氮气或氩气，直到溶液没有了颜色时为止。
Nitrogen is removed from the air, enabling the fuel to burn in pure oxygen.
氮气从空气中被去除，使得燃料能够在纯氧中燃烧。
Nitrogen is removed from the air, enabling the fuel to burn in pure oxygen.
氮气从空气中被去除，使得燃料能够在纯氧中燃烧。
应用推荐