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- [2013-12-20 14:35:00] PVC电工套管
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- [2013-12-20 14:26:19] PVC给水管
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- [2013-12-20 14:17:52] PVC通信管
- [2013-12-20 14:16:48] PE硅芯管(双色管)
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- [2013-12-20 14:08:56] PE双壁波纹管
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