Laser ncej kawm tuab si lug, uas tej thaum kuj raug xa mus rau raws li coupling kawm tuab si lug, yog ib tug txheej txheem uas yuav noj ob los sis ntau YAM shafts thiab ua rau lawv co-linear. Thaum no cov txheej txheem yuav nqa tawm siv straightedges, hu indicators, thiab lwm yam cuab yeej, laser ncej kawm tuab si lug yog koj tus zoo thawj koom ruam vim hais tias nws yog ib qhov tshaj plaws yog txoj kev uas yuav… nyeem ntxiv »






