special hardening meaning in English
特殊淬火
Examples
- The machine equips with big - digmeter screw . that is made by the special hardening process , which posses not only good corrosion resistance and abrasion resistance but also high layout , lower coast of power , and better plastify
带有屏蔽混练段的大直径螺杆，经特殊硬化处理不仅有良好的耐腐蚀性和耐磨性，而且具有高产出、低能耗，塑化好等优点。