小弹簧及牙片，末了功用到纸张。

Small spring and radiograph is applied to paper, in the end.

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我们安装了小磨头和弹簧。

We fix the bistrique and spring.

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弹簧力较小，可避免小铣刀或钻头断裂。

Low sprang force, May avoid the milling cutter or the drill bit break.

youdao

弹簧力较小，可避免小铣刀或钻头断裂。

Low sprang force, May avoid the milling cutter the drill bit break.

youdao

弹簧力较小，可避免小铣刀或钻头断裂。

Low sprang force, May avoid the milling cutter the drill bit break.

youdao