QZX920 B型液压双数显切纸机，具有结构坚固，造型美观，裁切速度快、精度高、压力大且可调等特点。
QZX920B hydraulic paper cutter with double digital display features solid structure, sound appearance, high cutting-speed, high precision and great pressure.
此方法以形象逼真的动画造型，再现了液压传动与控制的原理，收到了形象生动的教学效果。
The lifelike 3D-picture sculpting and the principle of hydraulic pressure drive and control was reappeared with the facture method, all-right teaching effect was obtained.
简要介绍了HWS静压造型线的组成，较详细地介绍了HWS静压造型线的液压系统的组成，并分析了该线的几种典型液压回路。
The HWS moulding line was introduced briefly and its hydraulic system was introduced in detail lin this paper. Some typical hydraulic cycle system were analyzed also.
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