Nrog rau txoj kev loj hlob sai ntawm kev lag luam, cov ntsia hlau roj tau dhau los ua neeg nyiam thiab ntau thiab ntau dua. Tus ntsia thawv U-zoo li tus ntsia thawv feem ntau siv, cia peb nkag siab ua ke!
U-shaped ntsia thawv, tseem hu ua cov rau tes, yog cov kws tshaj lij siv rau rooj tog, pluab, ntawv sau, lossis kho lub tsev.
Cov qauv muaj xws li: 4J, 10J, 12J, 10F, 12F, K, 8N, 9N, Q, SB, P, 80, 84, 97, 50, 90, 92, 71, 140, 64, 10 × 8F, 13 / 6, 13/8 thiab lwm yam U-shaped code rau tes.
Kev kho deg: hlau xim, galvanized, tshuaj tsuag, tshuaj tsuag xim.
Cov duab dav dav tuaj yeem muab faib ua: puag ncig lub taub hau U-puab ntsia hlau, square taub hau U-puab ntsia hlau, G-shaped turf rau tes.
