[水管及管件] 钢管公称直径、外径、壁厚和理论重量表 [课程编码4537]

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发表于 2023-12-27 09:39:24| 字数 1,666 | 显示全部楼层 |阅读模式
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钢管公称直径、外径、壁厚和理论重量表
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    钢管公称直径、外径、壁厚和理论重量表.doc

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