自动换刀装置

zì dòng huàn dāo zhuāng zhì

automatic tool changer (ATC)

自

zì

(bound form) self; oneself

动

dòng

(of sth) to move

换

huàn

to exchange

刀

dāo

knife; blade; single-edged sword; cutlass (CL:把[ba3])

装

zhuāng

adornment

置

zhì

to install