Thawj hom: yog lub rooj zaum sab nraum zoov lossis ntoo, tab sis tom qab 2-3 xyoo ntawm kev lwj, yeej tsis muaj leej twg zaum thiab so.
Qhov thib ob hom: nws yog hlau, hlau yog yooj yim rau corrode, thiab nws yog kub nyob rau hauv lub caij ntuj sov, txias nyob rau hauv lub caij ntuj no, tsis insulated, thiab tsis xis nyob.
Hom thib peb yog pob zeb, uas muaj cov khoom zoo ib yam li hlau.
Plaub: cov ntaub ntawv sib xyaw, uas yog hu ua ntoo yas, zoo ib yam li ntoo, tab sis me ntsis ntev dua ntoo, tab sis yuav nthuav thiab cog lus.
Lwm hom kuj yog cov khoom siv sib xyaw, hu ua FRP, lub rooj zaum so no yog tag nrho FRP, nrog rau lub rooj zaum ob txhais ceg, qhov no yog lub rooj zaum zoo tshaj plaws nyob rau tam sim no, tsis muaj xeb, tsis muaj corrosion, rwb thaiv tsev, kev pab lub neej ntev, tsis muaj thermal expansion thiab contraction. , tab sis kuj nplaim retardant, zoo heev kev nplij siab.
