1. Yuav ua li cas los daws qhov teeb meem "engraving tsis meej"?

Vim li cas 1: Qhov kev hloov kho qhov tsom xam tsis raug.

Kev daws teeb meem: Rov kho qhov kev tsom mus rau qhov tsawg kawg nkaus, qhov kev tsom mus rau qhov tsawg kawg nkaus kom zoo tshaj plaws.

Yog vim li cas 2: Qhov backlash tsis tau hloov kho.

Kev daws teeb meem: Siv phau ntawv qhia kev ua haujlwm software "backlash adjustment" los kho.

Yog vim li cas 3: Qhov kev daws teeb meem ntawm cov zis qauv qis dhau.

Kev daws teeb meem: Kho qhov kev daws teeb meem.

Vim li cas 4: Cov ntawv nyeem thiab cov duab kos tsis raug.

Kev daws teeb meem: Kho qhov kev pab cuam kho mob.

Yog vim li cas 5: Cov kauj ruam engraving tsis raug.

Kev daws teeb meem: Kho.