softenv.(使)变柔和;(使)软化
softening module软化模量
softening failure软化破坏
softening station除盐水处理
soften hard water使硬水软化
softening voltage软化电压
softening process软化过程(果实)
softening of lead铅的软化
softening modulus模量软化
softening furnace槽沉炉
softening machine软麻机