后记码：由美国阿都比系统公司开发的页述语言。它是一种电脑程式语言，指示一部有关的输出装置如何把一页印出。

Postscript: A page description language developed by, Adobe Systems Inc. of America. It is a computer programming language which tells a corresponding output device how to print the page.

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基于两相流体动力学的理论，建立空蚀射流切割装置中短管内的压力变化梯度的基本方程式；

Based on the theory of two-phase flow, the equation of the pressure gradient is found for the short pipe in cavitation jet cutting set.

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特殊配置双收卷机、旋转模头、自动张力控制系统、PLC可程式控制系统、气压收卷轴、自动卸料装置、二至三层共挤。

OPERATIONAL EQUIPMNT Double Winder, Die Rotating Device, Tension Auto Control System, PLC Control System, Air Shaft, Auto Unloader Device, Two or Three-Layer Coextrusion Blownand etc.

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