根据研究数据，激光熔覆技术应用于气门密封面生产将进一步提高质量。
According to the test data, the quality of locomotive valve by laser cladding will be better.
通过该实验，从微观组织方面证明了对气门密封面进行激光熔覆修复的可行性。
The feasibility of laser cladding on repairing of the hermetic surface of valves is proved based on the experiments.
这种情况通常发生在排气门。任何妨碍排气门密封面贴合的情况都会导致气门烧伤。
Valve Burning. This is usually an exhaust-valve problem. Any condition that prevents normal exhaust-valve seating may lead to valve Burning.
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