journal box spring

例句：

1. 1. The journal box spring is a crucial component of the writing desk.
   日记盒弹簧是写字台的关键部件。
2. 2. The journal box spring helps to keep the pen in place when writing.
   日记盒弹簧有助于保持笔在书写时的位置。
3. 3. The journal box spring is made of high-quality materials, ensuring long service life.
   日记盒弹簧由优质材料制成，确保了长寿命。