Ntawm cov tuam txhab kev lag luam aramid, ntau tus muab aramid fibers thiab lwm yam khoom, ntawm no peb yuav ntsib txhua hom aramid, xws li aramid 1313, aramid 1414, para-aramid, meta-aramid Lun tos, yog li ntawd qhov txawv ntawm lawv yog dab tsi?Hnub no wb tham txog qhov sib txawv betw...
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