搜索 - 科创

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这是我画的发动机图纸，总高度，20CM，直径，7CM，喷口内径，1.4CM，喷口长度，7CMKNSU药柱高度，13CM外壳是铝管，很薄的铝管，壁厚不知，堵头和喷口都用水泥浇筑，求前辈们，鉴定一...

故障现象如图系统：win7 设计软件：Altium Designer 10.1问题描述：pdf能正常产生文件，过程中没有提示错误。但是输出的文件比例不对，只能显示一个角落，或者是全白。解决尝试：关闭...

文件下载

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你在 {{ downloadTime }} 下载过当前文件。

文件名称：{{ resource.defaultFile.name }}

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上传用户：{{ uploader.username }}

所需积分：{{ costScores }}，{{ holdScores }}下载当前附件免费{{ description }}

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{{f.startingTime}}点 - {{f.endTime}}点	{{f.fileCount}}

约找到 2218 条结果，耗时 0.262 秒

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