entrance velocity profile的用法和樣例：
例句
- Local slip velocity is an important factor in mass,momentum and heat transfer of riser reactors.
這種顆粒團尺寸的不均勻性導致了滑移速度沿徑向也存在著(zhù)梯度分布。 - Besides, an appropriate airflow velocity and loading gap is suggested to be set by considering both the loadage and the uniformity of temperature field in practical applications.
同時(shí)，應綜合考慮裝載量以及溫度場(chǎng)的均勻性，選擇最合適的送風(fēng)速度以及貨物裝載間隙。
