case hardening

常见例句

雙語例句

• Due to their low carbon content, these steels cannot be hardened except by case hardening.
  由於它含有較少的碳，這些鋼不能被硬化，衹能進行表麪硬化。
• This hardness ranges from 900 to 1,100 Brinell, which is considerably higher than that obtained by ordinary case hardening.
  其硬度範圍爲900 到1，100 佈氏硬度，這遠高於普通表麪硬化所獲得的硬度。
• This impervious layer or boundary will retard the free diffusion of moisture. This condition is referred to as case hardening.
  這一不透氣的殼層(或邊界層)會阻滯水分自由擴散，這種情 形稱爲表麪硬化。
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