| 1. | Horology . watch spring - barrel springs . quality classes
钟表业.手表弹簧锁定装置的发条.质量分类
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| 2. | A die plate for flattening metal into strips , as in the manufacture of watch springs
扁条拉模一种用来拉平钢条的模板，如用于生产手表发条的模板
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| 3. | But someone else will make swiss watch springs from that five - dollar block of steel . do you know what that worth is
他用来做瑞士手表的弹簧，你知道它的价值吗？
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| 4. | Elinvar is a trademark for a kind of nickel - chromium steel used for watch springs because its elasticity is constant over a wide range of temperatures
埃林瓦是一种用于手表弹簧的镍铬钢，因其能在很大的温度范围内保持一定的弹性。
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