Specifically, the 3-roll calender is fed by a conveyor belt transversally sliding through the rolls and by a 2-stage planetary extruder complete with thermoregulation units.

• 具体的说，3辊压延机由一个沿辊子横向滑动的输送带和一台带有控温装置的2段行星螺杆挤出机喂料。