双语例句
- 1. Redd cloud nigrescence cloud, there is rain on.
- 红云变黑云，必有大雨淋。
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- 2. This paper work out a better applied technique of steel normal-temperature quick nigrescence via discussing various factors' influence on the speed of nigrescence and the capability of plating.
- 本文讨论了诸多因素对黑化速度及黑化膜性能的影响，确定较好的常温快速化学发黑实用技术。
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- 3. This paper work out a better applied technique of steel normal-temperature quick nigrescence via discussing various factors' influence on the speed of nigrescence and the capability of plating.
- 本文讨论了诸多因素对黑化速度及黑化膜性能的影响，确定较好的常温快速化学发黑实用技术。
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