Biraha dhulka naadirka ah waa alaabta ceeriin ee muhiimka ah ee soo saarista alaabta kaydinta hydrogen, NdFeB qalabka magnet joogto ah, qalabka magnetostrictive, iwm sidoo kale si ballaaran loo isticmaalo biraha non-ferrous iyo warshadaha birta. Laakiin dhaqdhaqaaqeeda birta ah aad buu u xoog badan yahay, wayna adagtahay in la soo saaro i...
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