Wikipedia

O-ring

abɛkaho 17 Ɔsanaa 2018

kratafa biara nni hɔ ma O-ring

Ɛwɔ sɛ, yɛde O-ring bue ɛsane sesa katana yi
Yɛ yi fii "https://tw.wikipedia.org/wiki/Dwumadini:O-ring"