“压力差”常见的英文表达是 “pressure difference” 或 “pressure differential”。
pressure difference:这是最常用的表达,直接描述了两种压力之间的差值。例如:The pressure difference across the valve affects the flow rate.(阀门两侧的压力差会影响流量。)
pressure differential:意思与“pressure difference”相近,在工程、物理等领域也常用,更强调这种压力差异是一个可测量的量或用于特定计算的因素。例如:We need to measure the pressure differential between the two chambers.(我们需要测量两个腔室之间的压力差。)