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

弹簧力较小，可避免小铣刀或钻头断裂。

youdao

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

弹簧力较小，可避免小铣刀或钻头断裂。

youdao

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

弹簧力较小，可避免小铣刀或钻头断裂。

youdao