Water ACTS as the standoff to some extent; in the meanwhile, it will shorten the jets by eroding the jet tip.
水介质在一定程度上起着炸高的作用，同时对射流头部又产生侵蚀效果。
In the experiment, the X-ray testing system takes pictures of the jet formatting and stretching. According to the pictures, we can calculate the jet tip average velocity.
实验工作用X光拍摄射流形成过程和射流运动姿态，通过X光片测出射流头部平均速度；
The pressure characteristics at the tip of delivery tube is strongly related with the flow condition of the gas jet.
导液管末端压力特征与气体射流的流动状态密切相关。
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