101 13-metall bishuud. Агуулга: Үелэх системд эзлэх байр, байгальд орших, чухал эрдсүүд, гарган авах аргууд, хэрэглээ. Бүлгийн дугаар ҮЕ IIIA IVA VA VIA VIIA II B C N O F III Si P S Cl IV As Se Br V Te I VI At ns2np1−5. 5B ) …
1. As refractories: graphite and its products have the properties of high temperature resistance and high strength. In metallurgical industry, it is mainly used to make graphite …
Stonecraft Mongolia Байгалийн чулуу - чулууны үйлдвэр, Ulaanbaatar, Mongolia. 3,469 likes · 5 talking about this. Whether it's in a kitchen, bathroom,... Whether it's in a kitchen, bathroom, office, on a coffee table in your living room -...