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Warshad tubbada garaafyada la habeeyey, hadhuudh fiican...
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Tuubbada garaafiga ah ee qiimaha jaban, dia weyn ee porosity hooseeya...
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Usha graphite refractory graphite usha kaarboon gra...
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tuubada garaafka kaarboonka ee xoogga badan, cufnaanta sare...
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Usha Silikoon ee adkaysi u leh heerkulka sare...
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CVD sic daahan cc usha ka kooban, silicon carb...







