【摘要】 通过实验证明了稀土元素在多元共渗中，不仅具有明显催渗作用，还能提高渗层的耐磨性和耐蚀性。更多还原

【Abstract】 In the process of multicomponent cementation,it is proved by experimentthat rare earth elements not only serve the function of acceleration,but also increase the wearresistance and corrosion resistance of the cementation layer.更多还原