其中第一、二节热器管内主要为溶解氧腐蚀，而盘管内主要为高温蒸汽的冲刷+腐蚀。
The heating tubes in the 1st section mainly suffer from corrosion of dissolved oxygen while those in the 2nd section suffer from erosion corrosion of high-temperature steam.
避免安装在热源处及热蒸汽，腐蚀性气体的场所，以免影响寿命。
To avoid using nearby the hot or heat source place, where has the corrosive gas.
避免安装在热源处及热蒸汽，腐蚀性气体的场所，以免影响寿命。
To avoid using nearby the hot or heat source place, where has the corrosive gas.
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