Application of ion exchange softening method, can make steam boiler feed water hardness meet eligibility criteria.
应用离子交换软化法，可使蒸汽锅炉给水的硬度达到合格标准。
2
The removal of minerals from water is called softening.
去除水中的矿物质叫做软化。
3
A small amount added to the soaking waterof beans will hasten the softening and cooking processes and reduce the beans' propensity to cause flatulence in the eater.