Select, measure, cut, ream and thread pipe, install sprinkler heads and mount prepared pipe in supports.
选择，测量，切割，铰孔和螺纹连接管道，安装喷头，并爬上备用管道。
With the model, the design of sprinkler pipeline network can be optimized, the optimal lift head and pipe size were determined, and the annual operational cost was minimized.
应用上述模型，可进行机压管道式喷灌系统配水干管管网的优化计算，可确定水泵最优扬程及干管各管段尺寸最优值，以使干管管网系统年费用值达最小。
As for electric desulphurization, our products are mainly used for anticorrosive equipment like flue gas desulphurization pipe, absorbing tower and main sprinkler pipe.
在电力脱硫中我公司产品主要应用于烟气脱硫管道、吸收塔、喷淋主管、尾气吸收塔等防腐设备。
Equipped with a ladder into the air shaft, the drainage pipes, duct pressure, fire sprinkler pipe and power cables for safety into the ventilation shaft and exports;
进风立井装备梯子间、排水管、压风管、消防洒水管以及动力电缆等，为进风井兼安全出口；
Equipped with a ladder into the air shaft, the drainage pipes, duct pressure, fire sprinkler pipe and power cables for safety into the ventilation shaft and exports;
进风立井装备梯子间、排水管、压风管、消防洒水管以及动力电缆等，为进风井兼安全出口；
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