row of holes meaning in English

炮孔排
一排炮孔

Compared with the only one rows of holes in the slope seepage field analysis , its effect is more distinct . so the mode of placing two rows of holes along the slope height is recommended
最后，分析了排水孔沿高程双排布置的情况下边坡渗流场分布，认为排水孔沿高程多排布置能显著改善排水效果。
The cooling effectiveness of effusion cooling in the regions with holes and downstream the last row of holes on hot side is much higher than that of conventionary film cooling with the same operation conditions
在热侧面上的气膜孔区及其下游区，致密多孔壁的冷却效果都非常好，比同等条件下常规气膜冷却的效果好得多。