What is the twill action on the surface of the PVC lay flat hose?

People who observe PVC lay flat hose carefully will find that there are some twills on the product. Many people do not understand the existence of twills. In fact, it has a certain impact on the use of the product. What is the specific role?
The design of twill on the surface of PVC lay flat hose is mainly to increase the heat dissipation area and help heat dissipation, and it can also effectively prevent excessive friction when used in different terrain and terrain environments, which can avoid damage to the product itself. In addition, it can also prevent scalding and skidding. After making twills, the contact form with white PVC lay flat hose has changed. When there are no twills, the contact form is surface contact and becomes line contact after making twills.
Using such high-quality PVC lay flat hose products, water can be well transported to the field, water irrigation to every inch of the field, increase crop yields, so the existence of twill is very important.