A. 螺杆：根据原料的加工性能特殊设计，材质38CrMoAlA，氮化处理，硬度≥800，脆性≤2级；/screw: specially designed based on material’s trait, High nitriding steel 38CrMoAlA，with nitriding surface HV≥800，brittleness≤2；
B. 机筒：优质氮化结构钢38CrMoAlA，材质38CrMoAlA，氮化处理，硬度HV≥900，脆性≤2级；/ barrel: High nitriding steel 38CrMoAlA，with nitriding surface HV≥900，brittleness≤2;
C. 驱动方式：变频调速+硬齿面减速箱；/ drive mode: inverter + hard gear surface decelerator;
D. 加热方式：采用陶瓷加热器；/ heating mode: porcelain heaters;
E. 温度控制：采用模块化温度控制；/ temperature controlling: automatic temperature control model;
F. 冷却方式：自动风冷。/ Mode of cooling: automatic fan cooler.