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。

youdao

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。

youdao