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![Silikon metallning kiritilishi 97]()
Apr 13, 2023Silikon metallning kiritilishi 97Hozirgi vaqtda alyuminiy ingotlari va maxsus po'latni eritish jarayonida eritish materiali sifatida silikon metall 97 # dan foydalanish odatiy holg...ko'proq ko'rish
