piercing by electric arc

　
英 美
  • 電弧穿孔

piercing by electric arc的用法和樣例：

例句

  1. However, perforation of the colorectum by an IUCD is extremely unusual.
    但是子宮內避孕器引致直腸穿孔的病例就極為罕見(jiàn)。
  2. The article studied the geometrical dimensions and surface quality of the shells in the deformation zone of piercing.
    研究了穿孔變形區中毛管的幾何尺寸和表面質(zhì)量。

piercing by electric arc的相關(guān)資料：

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