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2025-02-06 15:07:49 2025-02-06 15:07:49 2025-02-06 15:07:49 2025-02-06 15:07:49 2025-02-06 15:07:49 2025-02-06 15:07:49 2025-02-06 15:07:49 2025-02-06 15:07:49hdpe双壁波纹管壁厚比如说300mm500mm的管壁厚能不能给我传个各种型号管壁厚表急用谢谢了
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