closing spring

• 闭合簧

closing spring的用法和样例：

例句

1. The helical spring can no longer be used.
   盘簧不能再用了。
2. Multi-functional spring with hock to standard pothook without any tooling.
   多功能通用卡簧无需工具，就能自由安装于标准挂钩式的雨刷。