The system consists of a lightweight extruded aluminium perimeter section with integrated steel base plates.
该系统由一个轻量级的挤压铝综合钢铁基地板周长部分。
The wetted perimeter of this section is 83.7% of the rectangle in the same discharge, reach slope, roughness coefficient.
在同样水力条件下，最优园底直角断面的湿周是矩形最优断面的83.7%。
The results show that the distributions of the eddy current losses are nonuniform not only along the coil perimeter but also on the cross section of the coil.
计算结果表明涡流损耗不仅沿线圈周长分布不均匀而且在线圈的断面上也不均匀。
The box (1) has a base (2) with a retaining wall (4) adjacent a section of its perimeter.
该盒（1）包括基部（2），该基 部具有邻近其周边的一部分的保持壁（4）。
The box (1) has a base (2) with a retaining wall (4) adjacent a section of its perimeter.
该盒（1）包括基部（2），该基 部具有邻近其周边的一部分的保持壁（4）。
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