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Qhov laj thawj tseem ceeb vim li cas NdFeB hlau nplaum yog qhov tsis zoo yog tshwm sim los ntawm lawv cov qauv siv le...

NdFeB hlau nplaum, raws li ib qho tseem ceeb sib nqus tivthaiv hauv kev lag luam niaj hnub no, nyiam ntau daim ntawv ...

NdFeB hlau nplaum yog tetragonal crystals tsim los ntawm neodymium, hlau thiab boron. Cov khoom siv hluav taws xob si...

NdFeB hlau nplaum thiab cov hlau nplaum zoo tib yam muaj qhov sib txawv hauv kev ua haujlwm thiab kev siv. NdFeB hlau...