Diaphragm valve body flow smoothly, cutting components for the elastic diaphragm, valve cover stuffing.
隔膜阀体流通平滑、节流元件为弹性隔膜阀，阀盖上无填料函。
The quilt cover may utilize the elastic cord ring on its four corners and fixing buckles at both sides of mattress body, realize the anti-falling off effect.
防踢被盖是利用其四角上的松紧带环与垫体两侧的固定扣相连，实现防踢效果。
The shoe features an abrasion-resistant toe cover with stretchy elastic overlay.
鞋子以与能伸长的有弹性覆盖物的磨蚀抗性脚趾盖子为特色。
应用推荐