渗水板上设置 有网状小孔，疏导板上设置有纵向的排水凹槽和与排水凹槽相垂直的连通凹槽。
A net-shaped small hole is arranged on the seepage plate, and a longitudinal drainage groove and a groove which is vertically communicated with the drainage groove are arranged on the guided plate.
本文讨论了赛艇、皮划艇的排水量、湿水面积、浮心的纵向位置等浮态参数的计算和应用。
The calculation and usage of some float status indexes about canoe, as well as the influence to the canoe resistance function of these indexes were discussed in the paper.
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