Compared with a pneumatic ball tooth grinder, the electric ball tooth grinder has the advantages of high mechanical efficiency, convenient grinding, non exhaust pollution, non exhaust noise, etc.
与气动球齿修磨机相比具有机械效率高，方便修磨，无排气污染、无排气噪声等优点。
2
The result showed that the textile workers exposed to continuous noise, and the mechanical manufacture workers exposed to non-continuous noise.