英德
有道
百度
谷歌
图片
维基
百科
双面角
dihedral angle
- 借助平行光和双面反射镜，对分光计望远镜的视场角进行了分析和测量，并通过实验得出了结果。
With the help of the ray of equal rank and double-faced reflector, the telescopic visual angle of the spectrometer was analyzed and measured. And the conclusion was drawn. - 所述的刀翼设置有扭角，刀翼的刃口为单面或双面设置的弧形、 齿形或线形；
The cutter wings are provided with torsional angles, and the cutting edges of the cutter wings are of single-faced or double-faced arc shapes, tooth shapes or line shapes; - 节点中的焊接宜采用完全焊透的坡口对接焊缝连接，当采用双面角焊缝连接时，可按等强设计。
And the welding connecting of them are advised to use slope butt weld that are fully welded, but when the double-sided fillet weld is used, they should be design on equal strength.
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