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凹形竖曲线
meaning in English
concave vertical curve
sag vertical curve
vertical sag curve
Examples
Sag vertical curve
凹形竖曲线
Related Words
竖接
直竖
竖向
竖向曲
竖向涡流
整流子竖片
竖式窑
通气竖管
通气竖坑
竖束宽
凹形实心钻头
凹形饰缘
凹形铁板
凹形凸轮
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