fire-proof sealing performance
...但是我觉得他并不快乐 » Although he was rich, but I think he was not happy 防火密封性能 » Fire-proof sealing performance 给我们介绍了一本新书 » We introduced a new book ..
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fire-proof sealing performance
防火密封性能
以上为机器翻译结果，长、整句建议使用 人工翻译 。