Rau qee cov kav dej txhuas uas xav tau kev kho tshwj xeeb, xws li cov kav dej alumina lossis cov kav dej pleev xim, kev kho saum npoo ntawm cov kav dej txhuas yuav tsum tau ua tom qab tsim. Cov kev kho saum npoo no suav nrog kev kho tshuaj, kev kho electrochemical, kho tshuab, thiab lwm yam.
Aluminium tube ua
Aluminium tube ua tiav suav nrog khoov, flaring, compression, thiab lwm yam ntawm txhuas raj, feem ntau deforming ntau yam duab raws li cov khoom xav tau.
