overfall

Firstly,the self-swash dust catcher with the unique overfall device was adopted to dedust,desulfate and denitrogena...

此类装置还可应用矿山、化工和建材等领域中的湿法除尘。

But when the traffic is inconvenient, the cofferdam only constructed by manpower and needs overfall, traditional styles of cofferdam are unuseful.

交通不便,只能以人力施工为主的地区,且需要短期的临时挡水设施,传统的堰形式则无能为力。

Whereby providing the reliable basis of the dam cast and for corresponding temperature control measures during the overfall dam construction in high temperature with three level pumpcrete machines.

从温控的角度,为皂市大坝高温季节采用三级配混凝土泵浇坝段的可行性提供了可靠的参考依据。