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铱锇合金 [yī é hé jīn]
[材] osmiridium
- 铱金笔笔尖上那颗银白色的小圆点，就是锇铱合金。
On the iridium-point pen pen tip that silver-white color's small dot, is the iridium. - 锇铱合金坚硬耐磨，铱金笔尖比普通的钢笔尖耐用，关键就在这个“小圆点”上。
Iridium hard wear-resisting, the iraurita pen tip is more durable than the ordinary pen nib, key in this "small dot" on. - 用锇铱合金还可以做钟表和重要仪器的轴承，十分耐磨，能使用多年而不会损坏。
May also make the clock and watch and the important instrument's bearing with the iridium, is very wear-resisting, can use many years, but will not damage.
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