Taking deep breaths will fix that by creating a steady volume of air flow over your vocal cords, and help calm your nerves too.
深呼吸可以使稳定的气流通过声带，进而解决这一问题，同时缓解演讲者的紧张情绪。
From the transfer dynamics in perpendicular gas-liquid phase flow point of view, this paper put forward a calculating method of air volume in deep-well process design.
从垂直气液两相流运行动力学角度，提出深井工艺设计中空气量的计算方法。
This paper reports the experiment of air-water two-phase flow in a small scale laboratory models and in a 1000 m-deep well with annulus configurations.
本文在1000米深全尺寸模拟实验井上进行了气液两相流实验研究。
This paper reports the experiment of air-water two-phase flow in a small scale laboratory models and in a 1000 m-deep well with annulus configurations.
本文在1000米深全尺寸模拟实验井上进行了气液两相流实验研究。
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