绕流
绕流
然而,在粒间孔发育的岩石中,流体必须在颗粒周围的曲折通道中流动;而这种曲折通道会对其流动产生阻力。
Ensure there is a free flow of air around the machine.要确保机器周围空气畅通。
As mentioned, flow has been around since the 1970s, but that is only the flow we know from research.就像提到的那样,心流从1970年左右就已经出现了,但那仅仅是一种我们知道的从研究得出的一种概念。