短期性能评价
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Short-term performance evaluation
以上为机器翻译结果，长、整句建议使用 人工翻译 。
概述了聚乙烯燃气管长、短期性能的评价方法，并结合我国的实际情况提出聚乙烯燃气管用于输送国产人工煤气的评价建议。
The evaluation methods about polyethylene gas pipe were reviewed in this paper, some idea according to national situation in which city gas is transferred was submitted.
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