slot nozzle

The factors considered were jet velocity, spacing of nozzle-to-impinging plate ( height), slot width, angle between jet direction and plate, temperatures of impinged plate and water ( liquid) from the slot nozzle.

考虑冲击区对流换热的因素有射流的速度、射流出口距冲击板的距离（高度）、喷嘴的宽度、射流出口速度方向与冲击板之间的夹角、冲击板的温度及水温等。

Both slot and nozzle rinsing are investigated.

吾人探讨沟式及喷嘴式两种洗涤.

If other factors remained unchanged, the hole diameter and the slot width increased with decreasing laser energy intensity and increasing nozzle diameter, the machining surface is not plan and the machining depth are slow.

当其它试验条件不变时，喷嘴直径越大，水导引激光能量密度越小，加工孔径和槽宽越大，加工深度越浅，加工的表面质量越差。