Xov xwm
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Yuav ua li cas thiaj ua tau daim ntawv kraft
Daim ntawv Kraft yog tsim los ntawm cov txheej txheem vulcanization, uas ua kom ntseeg tau tias daim ntawv kraft zoo meej rau nws siv. Vim yog cov qauv nce ntxiv rau kev tawg resilience, tearing, thiab tensile zog, nrog rau qhov xav tau ...Nyeem ntxiv -
Cov qauv kev noj qab haus huv thiab cov kauj ruam txheeb xyuas lub tsev
1. Cov qauv kev noj qab haus huv Daim ntawv hauv tsev (xws li daim ntaub so ntswg ntsej muag, daim ntaub so quav thiab daim phuam so tes, thiab lwm yam) nrog peb txhua tus txhua hnub hauv peb lub neej txhua hnub, thiab yog ib yam khoom siv txhua hnub, yog ib feem tseem ceeb ntawm txhua tus neeg txoj kev noj qab haus huv, tab sis kuj yog ib feem uas yooj yim tsis quav ntsej. Lub neej nrog p...Nyeem ntxiv