So the open yard, the use of the wind-proof and dust suppression net and humidifying dust are two main technical measures to reduce dust emission.
因此对露天料场来说，使用挡风抑尘网和增湿抑尘是两种主要的减少起尘量的技术措施。
Three kinds of leakage proof measures for coal dust fan are introduced.
介绍了煤粉风机的三种防泄漏措施。
Three kinds of leakage proof measures for coal dust fan are introduced.
介绍了煤粉风机的三种防泄漏措施。
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