1. Kev siv ntau yam.
2. Siv tau cov ntaub ntawv: cam khwb cia hlau, cam khwb cia hlau, cov txheej txheem steel, tuam txab hlau, nqa cov hlau, stainless hlau, tooj liab thiab tooj liab alloys, txhuas thiab txhuas alloys, plastics, thiab lwm yam.
3. Kev loj me me, lub teeb nyhav, thiab nqa tau yooj yim. Tus fuselage adopts kev faib ua tus qauv, uas tuaj yeem raug clamped thiab txiav ntawm txhua qhov ntawm cov raj xa dej. Nws yog qhov tshwj xeeb tshaj yog tsim rau cov kav xa hluav taws xob kev txhim kho, kev tu raj xa dej, thiab kev ua haujlwm tom teb.
4. Nws tuaj yeem txiav thiab beveled tib lub sijhawm, kev txiav yog tsis deformed, tsis muaj burr, kev txiav yog huv, thiab cov txheej txheem nto zoo.
5. Cov khoom siv no belongs rau qhov txiav txiav ua kom txias, tsim nyog rau cov nplaim taws thiab khoom tawg.
