Strengthened the stability of the melting salt, reduce the melting salt maintenance frequency, simplify with the perfect craft rules distance.
增强了熔盐的稳定性,减少了熔盐维护频率,简化和完善工艺规程。
He's a great example of someone who learned to be funny by working hard to perfect his craft over a period of many years.
他是通过多年学习而不断完善幽默技巧,成为风趣的演讲师的典范。
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