Experiments test the influences of pressure, height, nozzle aperture and frog momentum on the fire control effect of fine water mist.
实验主要通过测定压力、高度、喷头孔径的大小和雾动量对细水雾灭火效果的影响。
2
The deflecting nozzle thrust vector control is usually used in a large solid booster.
对大型运载火箭的固体助推器，通常采用摆动喷管推力向量控制。
3
In addition, a variable rate sprayer, consisted of PWM solenoids, a pressure controller, a nozzlecontrol system interfaced to a computer, and map based application software, was also developed.