每台送风机的出口发兰到空气加热器的一组管道。
One set of ducts from outlet flange of each forced draft fan to air heaters.
该设备专用于通讯杆、高杆灯杆体端部与发兰盘自动环焊对接的焊机设备。
Used for welding the pole edge with the bottom flange for the telecom pole, street light pole.
该研究得出了最新工艺配方，使发兰、磷化工艺具有低温性、低渣量、快速性、低成本的特点。
This article describes the newest technological formula, which lets the technology have some characteristic, such as low temperature, less dregs, rapidity and low cost.
应用推荐