Some people like to own a mirror with the blackhead pimple pinextruder to shoot shrinkage in the future.
有的人喜欢自己对于着镜子用粉刺针把黑头挤出去，以后不拍收缩水。
2
The working principle and energy conservation of pin, screw and temperature control equipment in pin barrel cold feed extruder were described.
介绍了销钉机筒冷喂料挤出机中销钉、螺杆及其新型温控装置的工作原理，论述了上述元件节能的理论依据。
3
Mathematical expressions of velocities, shear stresses for Newtonian laminar field near the pins in pin barrel extruder and machine's power are presented.