... 正面边 front side edge 正面角 front side angle 间隔凸缘 spacer lug ...
双语例句
1
When there is no wind to run in the wind direction of the opposite angle net, the ratio of each side, which is in front of and behind wind ditection a…
当对角风路中无风流流动时，每一侧前后风路风阻之比值，一定相等。
2
Because the diagonal outriggers brace the crane not only against side-to-side forces, but also front-to-back turning forces, these two cranes can lift the full rated load over a wider Angle.