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平面带颈平焊钢制管法兰 meaning in English

hubbed slip-on-welding steel pipe flanges with flat face for pn 0mpa

Related Words

  1. 平面大气波
  2. 平面带颈承插焊钢制管法兰
  3. 平面带轮
  4. 平面代数曲线
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