同向双螺杆塑料挤出机 Co-rotating twin-screw plastics extruder
常规同向双螺杆 co-rotating twin-screw
反向旋转双螺杆挤压机 Counter-rotation twin -screw extruder
同向双螺杆 Co rotating Twin screw
同向双螺杆挤出机 co-rotating twin-screw extruder
异向双螺杆塑料挤出机 Counter-rotating twin-screw plastics extruder
异向旋转双螺杆 counter-rotating parallel twin-screw
焊钉、钢结构连接副、索具、桥梁、煤田、油井、风力发电塔基组合件、体育场馆双耳内（外）旋双向螺杆、锚具、钢丝绳！
Welding nails, steel connection pair, rigging, bridges, coal, oil, wind power tower base assembly, stadiums ears (and beyond) bi-directional rotation screw, anchor, rope!
介绍了双向双螺杆挤出机用传动箱，新型止推装置可替代传统的止推包。
Introduced the driving gear box for bi-directional twin screw extruder, the new thrust device can instead of the traditional thrust fit.
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