Cov iav nylon yog dab tsi?
Nylon yog ib yam khoom siv uas muaj zog, sib dua, thiab pheej yig, uas txo tau lub zog tensile tab sis ua rau muaj kev poob siab ntau dua hauv cov chaw noo noo. Nylon yog ib yam khoom siv iav uas siv tau ntau yam uas siv tau rau ntau yam kev siv ntxiv, suav nrog Nylon screws.
Lub sijhawm tshaj tawm: Tsib Hlis-12-2026