helical reinforcement meaning in English
螺纹钢筋
螺旋钢筋
螺旋箍筋
Examples
- Methods of test for rubber and plastics hoses and hose assemblies - physical tests - determination of fracture resistance of rigid polymer helical reinforcement in thermoplastics hoses
橡胶和塑料软管组件的试验方法.第103部分:物理试验.第7节:热塑软管用刚性聚合物螺纹钢筋耐断裂性测定