Darajada waxqabadka Bolt, oo ah darajada waxqabadka bolt ee isku xirka qaab dhismeedka birta, waxay u qaybsan tahay in ka badan 10 fasal, sida 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, iwm. laba qaybood, oo siday u kala horreeyaan u taagan awoodda xajinta magaca v...
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