By the invention, modified engineering plastics with wear-resistantproperty can be obtained.
利用本发明可使获得具有耐磨性能改性工程塑料。
2
The foundry mould made by polyurethane abroad from aspects of mechanical property, wear-resistant condition, and technology method have been introduced.
The advantages of the electronic location equipments of pipeline pigging are of strong wearresistantproperty and passing ability, well cleaning efficiency, accurate location and tracking, etc.