They also feature superior non-skid surfaces, and the lightweight and resiliency of the board tip minimise injuries, especially to the head.
另外，这种跳板有较好的防滑表面，而且它们较轻的重量和弹性能将损伤，尤其是对头部的伤害减到最小。
2
Used for the waterproof sealing on concrete wall panel slab ventilation pipes the lightweight panel products window and doors of metal products asbestos boards gypsum board wood plastic etc.
用于混凝土墙板、板、风管道的防水密封，金属制品、棉板、膏板、料等轻型板材和门窗的防水、封。
3
Used for the waterproof sealing on concrete wall panel slab ventilation PIP es the lightweight panel products window and doors of metal products asbestos boards gypsum board wood plastic etc.