Dab tsi ceev ntawm cov log polishing thaum polishing cov khoom sib txawv hlau?
Thaum polishing, kev ceev ceev ntawm lub cav polishing yuav tsum siab tshaj qhov ntawm lub log polishing. Qhov ceev ntawm qhov ceev ntawm lub log polishing yuav tsum sib txawv rau cov khoom siv hlau sib txawv.
Qhov kev txiav txim siab zoo tshaj plaws ntawm cov hlau luam yeeb, tooj liab thiab npib tsib xee yog 30 ~ 35m / s
Qhov zoo tshaj plaws ceev ntawm tooj liab, tooj liab alloy thiab nyiaj yog 22 ~ 30m / s
Kev ua kom zoo tshaj plaws ntawm lub cev thiab txhuas lub zog, zinc, tin thiab txhuas yog 18 ~ 25m. / S
