zhengzhou , china

[email protected]

Noise Assessment of StoneAggregate Mines Six Case

Aweighting 90 dB Threshold and Criterion Levels 5­ dB Exchange Rate Slow Response and a 140 dB Upper Limit Where possible noise dose was recorded inside and outside mobile equipment to determine efficiency Figure 2 of imately 25 workers are located in the surface quarry and 10 are located in the plant crushing facilities

Contact Us Now

Relate Product

What Can I Do For You?

You can also send a message to us by this email [email protected], we will reply to you within 24 hours.Now tell us your need,there will be more favorable prices!

relate latest news

Latest News

Copyright © 2021.Henan Mining Machinery Co., ltd. All rights reserved. Sitemap