本文提出了一个对称修正模型来解析求解非对称二维平板碰撞问题，并对产生的射流和杵体的性质做出预测。
A modified symmetry model to resolve the problem of asymmetric collision was given and the characteristics of the jet and slug were predicted.
喷孔壅塞时射流扩展形态非对称，影响气液掺混，不利于控制射流的稳定性。
The congestion of the nozzle causes dissymmetric jet expansion and affects the mixing process, so that it is unfavorable for controlling the jet stability.
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