针对沟灌，研究了沟底起伏状况和沟横断面形状的空间变异性对灌水质量的影响。
This paper aims at examining the influences of spatial variability of furrow sole fluctuation and cross-section shape on furrow irrigation performance.
所述耐磨槽的横断面形状为弧形或燕尾形或其它适合 安装可以滚动的耐磨辊的形状。
The cross section of the resistant grinding slot is arc or swallow-tail form or any other form fitted to install rolling resistant grinding roll.
锻模锤击横断面使金属向内流动导致圆管或圆棒的外径变为锻模的形状。
The die hammers the diameter and causes the metal to flow inward causing the outer diameter of the tube or the rod to take the shape of the die.
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