28.10. Cov kev daws teeb meem rau kev tawg tsis meej?
28.9. Kev tsis xws luag?
28.8. Dab tsi yog qhov ntsuas kom daws tsis tiav kev nkag mus thiab tsis muaj kev cuam tshuam fusion tsis meej?
28.7. Tsis muaj fusion thiab tsis tiav kev nkag siab nkag tsis taus?
28.6. Dab tsi yog cov kev daws teeb meem rau ntug kev tsoo kev puas tsuaj?
Thaum lub sij hawm vuam txheej txheem, yog tias ib qho kev nyuaj siab ntawm ntug kev, ua rau muaj kev nyuaj siab ntawm Weld, ua rau muaj kev kub ntxhov ntawm ntug kev kub ntxhov. M
Txhawm rau txhim kho cov vuam zoo ntawm cov qauv hlau kauv steel thiab muaj txiaj ntsig daws qhov tsis zoo ntawm kev tawg, nws yog qhov tsim nyog kom tau kov cov zawj qhov loj me.
28.3. Dab tsi yog cov ua rau muaj kev tsis xws luag?
28.2. Dab tsi yog cov kev daws teeb meem rau pore qhov tsis xws luag?
28. Cov teeb meem dab tsi uas yuav tshwm sim thaum muaj cov kav dej kauv ntau lawm? Yuav ua li cas lawv thiaj tshwm sim? Yuav ua li cas lawv thiaj zam? 28.1. Ua rau ntawm pore qhov
27.13.1. Dab tsi yuav tsum tau sau tseg thaum chamfering?
27.13. Dab tsi yog qhov ua haujlwm ntawm chamfer?