Although the plum flower, known as China's, but it is not publicity.
虽然梅花被称为中国的国花，但是它并不张扬。
The plum flower is proud, because it chooses to blossom in the coldest moment.
梅花的高傲，来自她选择在最冷的时间开花。
The angles of the screw slots were calculated, and the rolls and the plum flower scapers were designed.
计算了转子凹槽螺旋角及其变化规律，设计了转子和刮片。
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