manlee: gag hniav zaj duab xis yog peb txheej khoom sib xyaw. peb-txheej zaj duab xis ua los ntawm co-extrusion ntawm nruab nrab txheej apet thiab sab sauv thiab qis txheej petg raw cov ntaub ntawv nyob rau hauv ib tug kom zoo feem, tom qab tshwj xeeb txheej kev kho mob, tshwj xeeb tshaj yog haum rau cov hniav nyiaj hniav kub cov ntaub ntawv veneer bonded los ntawm high-frequency tshav kub. sealing thiab kua nplaum.
Nyeem ntxiv