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关注:1
2013-05-23 12:21
求翻译:钢骨架双壁波纹管是什么意思?![]() ![]() 钢骨架双壁波纹管
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2013-05-23 12:21:38
Double-wall corrugated steel pipe frame
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2013-05-23 12:23:18
steel frame double-wall corrugated pipe
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2013-05-23 12:24:58
Steel skeleton dog-legged corrugated pipe
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2013-05-23 12:26:38
Steel framed HDPE double wall corrugated pipe
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2013-05-23 12:28:18
Double-wall corrugated steel pipe frame
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