Kutumiza kwa makina otsuka ndi roughness tester

Zikomo chifukwa chamakasitomala agula makina athu otsuka komanso oyesa roughness.

Makina oyeretsa a Ultrasound amagwiritsidwa ntchito kwambiri pakuyeretsa mafakitale.Makina otsuka a ultrasound awa amatha kuyeretsa mawonekedwe osiyanasiyana.

Timagwiritsa ntchito makina oyeretsa a ultrasound kuyeretsa zida zamagalimoto.