Three-dimensional turbulent boundary layer on the ground board is measured through the ground effect tests of a delta wing with aspect ratio 3.
本文通过一个展弦比为3的三角形机翼的地面效应试验，测量了地板上的三元紊流附面层。
In this paper, a new type of hards board material layer with good quality for laying, low cost and three disengaging contact rollers is involved.
介绍了一种辅装质量好、成本低的新型麻屑板铺装机—三辊分离式麻屑板铺装机的结构和工作原理，并对三个辊轮的运动参数的确定方法进行了讨论。
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