vacuum hardening
常见例句
- The key techniques of processing Actinidia chinensis fruit are color maintenance, hardening, vacuum permeation of sugar and drying.
低糖猕猴桃果脯加工的关键技术是护色，硬化，真空渗糖和烘干。 - Because the hardness of substrate was low after vacuum melting, the hardness of substrate was increased by hardening and tempering methods.
由于真空烧结涂层基体的硬度较低，采用对基体调质处理的方法来提高涂层基体的硬度。 返回 vacuum hardening