| 下降管 | downcorner (These compounds can also condense in uptakes and downcorners where they form accretions that can eventually restrict the passage of the top gas, or react to form HCl and attack the gas cleaning system steelwork. 这些化合物还会在高炉上升管和下降管上凝结成结块，最终导致炉顶煤气通道受阻；或反应生成 HC1, 腐蚀煤气净化系统的钢结构。) |
