The imbalance in architectural inner system can be solved to set the double-pipe system with temperature-controlled valves.
建筑物内部系统竖向失调则可通过设置带散热器温控阀的双管系统来解决。
2
Based on the features of this double-pipe system, the working principle and variation of operation parameters were discussed.
根据双套管系统特点对其原理、操作参数调整变化进行了说明。
3
The paper discussed the application of tube still preheater and double-pipe preheater in the process of removing silicon, and analyzed the situation of the scab.