Heavy-duty zinc-alloy knife with multilevel locking push button is special for industrial production.

锌合金重型刀，多级锁定的推纽，为工业生产所专用。

youdao

Heavy-duty zinc-alloy knife with multilevel locking push button is special for industrial production.

锌合金重型刀，多级锁定的推纽，为工业生产所专用。

youdao