加强层： 四层交互缠绕的高强度钢丝和包覆在内胶外的纤维编织层。
Reinforcement: a braid of textile material over the inner tube and four spiral plies of heavy steel wire wrapped in alternating direction.
第二层透气织物编织的要松(比如羊毛或类似纤维的织物)。
Wear a looser, second layer of breathable material (like fleece or similar fabrics).
该编织工艺和编织机能有效防止编织层纤维之间产生的滑移，改善塑胶压力软管的力学性能，提高塑胶压力软管的强度和柔韧性。
The knitting equipment and technique can effectively avoid fiber slippage on the reinforced layer, and improve the strength, flexibility and other mechanical properties of the plastic pressure hose.
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