色母粒系统的主要工艺参数有()。
A、添加比例
B、母粒干燥温度
C、螺杆挤压机速度
D、螺杆挤压机温度
参考答案:A, B
A: What is important when… Registering at a exhibition · registration fee · number of stand · exhibition information B: What is important when… Finding a job · resume · express yourself clearly · body language