1. Air, gas or steam enters the separator at high velocity. 空气,气体或蒸汽以很高的速度进入分离器。
2. Velocity: the speed and direction of an object, or its rate of change in position. This is a vector. 速度:一个物体运动的方向和速率。或者是在某一位置的变速率。它是一个矢量。
3. Select the system of copolymerization, the optimum reactive conditions of temperature and velocity, and the best quantity of emulsifier and initiator of acrylate emulsion thickener. 选择丙烯酸酯乳液增稠剂共聚反应的方式、反应温度、滴加速度等最佳反应条件及乳化剂、引发剂的最佳用量。