[规程规范与图纸表格] 常用热工参数手册
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敏而好学,不耻下问。广交朋友,共同进步;
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仙灵岛上别洞天,
池中孤莲伴月眠; 一朝风雨落水面, 愿君拾得惜相怜 |
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发表于 2006-12-11 09:48
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