高压氨预热器
High pressure ammonia preheater
以上为机器翻译结果，长、整句建议使用 人工翻译 。
分析尿素装置高压氨预热器多次发生列管及封头泄漏的原因，提出如何处理及防止类似事故的发生。
The reasons for the leakage of high-pressured ammonia pre-heater row tubes and seals were explained, and how to handle and prevent the occurrence of similar accidents was proposed.
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