钢管外径对照表
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无缝钢管外径内径对照表
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管道外径对照表
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常用管道公称直径和外径对照表89
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常用管子外径表
图片尺寸920x1301
各种管材公称直径与外径对照表
图片尺寸920x1302
管件公制英制外径尺寸对照表
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各种管材英制及国标公称直径与外径对照表
图片尺寸920x1302
sc焊接钢管外径
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铸铁管pvc管外径及壁厚对照表
图片尺寸920x1303
无缝钢管外径内径对照表
图片尺寸920x1302
管件公制英制外径尺寸对照表
图片尺寸920x1303
钢管与塑料管管径对应表
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国内外主要管径系列对照表
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新版无缝钢管外径内径对照表
图片尺寸682x1019
英制钢管尺寸对照表
图片尺寸920x1302
焊接钢管管尺寸规格表
图片尺寸920x1302
镀锌钢管(焊接钢管)管材外径和壁厚一览表
图片尺寸800x1131
无缝钢管外径对照表 无缝钢管的规格及壁厚
图片尺寸797x668
sc焊接钢管外径
图片尺寸920x1303
镀锌管尺寸表
图片尺寸920x1303