The applicability of the Helmholtz resonator model in the study of the PER walls' pressure equalization was analyzed.
基于相关控制方程研究了等压雨幕墙风洞试验缩尺建模的相似准则。
Over-the-counter medication used for the symptoms of congestion can be very effective for some divers and can help with pressure equalization.
在柜台就可以买到的消肿药对有些潜水者克服平衡问题来说非常有效。
Allows for the upper portion of the barrier to be drilled out, permitting pressure equalization across the tool before drilling out the upper slips.
—允许将工具的上部钻除，可以在钻除上卡瓦之前实现工具上下的压力平衡。
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