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讨论了蒸汽机车汽室壁窜汽的原因;详细论述了磷酸盐胶的密封原理、配制方法以及使用时的注意事项;介绍了解决汽室壁窜汽的涂胶工艺、现车试验结果以及采用密封胶的经济效果。
The reason of vaporization of vapor chamber wall of steam locomotive was discussed. The sealing principle, preparation method and precautions of phosphate gel sealing were discussed in detail. The economic effect of sealant.