perforated plate [化工] 多孔板 ; [建] 穿孔板 ; 凿孔板 ; 冲孔板
perforated plate tower 孔板塔 ; 筛板塔
perforated plate distillation 多孔板蒸馏
convex perforated plate 凸形多孔板
staggered perforated plate 错叠多孔板
flat perforated plate 扁平多孔板
perforated plate for cooling 冷却段多孔板
perforated-plate extractor [化工] 多孔板萃取器 ; 多乙板分布器
The algorithm of the reactance is modified for the liner with thick perforated plate, based on the analysis of experimental results.
对实验的结果进行了一些分析，给出了厚板通气声衬声抗的一种算法。
The experimental results show that acoustic resistance of perforated plate is related to plate thickness, aperture diameter, numbers of aperture, acoustic frequency and airflow velocity.
研究表明：穿孔板的声阻与孔板厚度、孔径、穿孔数目、声波频率和气流速度等因素有关。
The weeping rate, weeping distribution and weeping point of a perforated plate are studied theoretically and experimentally.
本文从理论和试验两个方面研究了筛孔板的漏液量、漏液分布和漏液点。
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