ball nozzle

基本解释

The control valve comprises an oil nozzle and a check valve. The check valve comprises a valve ball and a valve seat.
本控制阀包括油嘴和单流阀，单流阀包括阀球和阀座。
ip.com
Finite element software of ANSYS has been used for making a finite element analysis of a certain type of ball-socket nozzle′s pendulous socket in solid-rocket engine.
本文应用AN SY S有限元分析软件，完成了对某型号固体火箭发动机珠承喷管摆动接头的有限元分析。
The basic principle is though three root ball screw control platform, by the measurement of nozzle, three motor to adjustable height accordingly, easily implemented leveling!
其基本原理就是平台通过三根滚珠丝杠控制，上面对应三个电机，经过喷头测量，三个电机相应调节高度，很轻松实现了调平。