
Koj puas muaj koj tus kheej laser alignment khoom uas koj ua haujlwm? cov plag tsev ntau lawm yuav tibneeg hu tauj coob, thiab thaum muaj ib qhov teeb meem nrog ib alignment, Koj yuav tsum tos nraum zoov ib daim ntawv cog lus tuaj rau koj los txhim kho qhov teeb meem? Uas yuav siv sij hawm teev, thiab, qee zaus, Hnub. Yog li, muas… Nyeem ntxiv »