“凸边”怎么读？

凸边铆钉. 与其他铆钉端点结合使用.Collar head rivet. Use in conjunction with other rivet ends.逆时针 旋开调节钮使外面带有凸边的环松动.Release the outer knurled ring by rotating the clamping screw anti - clockwise ....

“凸边”的英语可以翻译为：convex edge，flange，rim，chimb ...