Bent circular tube products are widely used in industry and commercial field, because of its light weight, low cost, high obdurability and efficiency.

 
  • 弯管零件由于具有重量轻、强韧化和低耗高效等多方面的优点,在工业与民用领域应用广泛。
今日热词
目录 附录 查词历史