The purity of LNG products was 99.86% . Less than 0.1% methane can be detected in the ventedair after separation.
分离液化后生产的液化煤层气纯度达到99.86%，分离后排放的空气甲烷含量小于0.1%。
2
Such a system constantly refreshes your house with fresh air from outdoors but cleverly heats the incoming air with the warm, stale air that's being vented out.
这样的系统能持续从室外引入新鲜空气更新室内空气，并且用排出的废气的热量加热引入的空气。
3
And although the air being vented out does contain some minimal radioactive material, however, we believe that it is a minimal level that does not affect human health.