window balance spring

例句：

1. 1. The window balance spring is responsible for maintaining the stability of the window.
   窗户平衡弹簧负责保持窗户的稳定性。
2. 2. The window balance spring has been adjusted to ensure proper operation of the window.
   已经调整了窗户平衡弹簧，以确保窗户的正常运行。
3. 3. The window balance spring is a crucial component that ensures the window remains in place and doesnot move unexpectedly.
   窗户平衡弹簧是一个关键部件，确保窗户保持在位，不会意外移动。