活用的英文：
活用，使用，有效利用。

Principal application of reverse osmosis has been in desalting brackish waters for domestic consumption
反渗透主要应用于生活用含盐水的脱盐。

The electrical and gas circuitry for the fullbin dryer is similar in many respects to that of a household furnace
整仓干燥机的电路和燃气管路在许多方面与生活用炉相似。