分为特快车（Expresowy）；直达车（Pospieszne）与普通车（Osobowe）或 （Normalne），特快车需先订票，而普通车则不，但仅适合短途旅程。
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经考察相关资料，与普通车辖相比，二者功能近似，但使用方法有别。
According to the relative materials, comparing with the normal axle-pins, the function of them were similar, but the methods of application were different.
进行了超声振动车削与普通车削、磨削加工陶瓷材料的对比试验研究。
Machining of ceramics processed by ultrasonic vibration-turning is experimentally compared with that through conventional turning and grinding.
探讨超声辅助车削技术的优点，利用实践对比分析了超声辅助车削技术与普通车削技术的优势。
Objective: To explore the advantages of ultrasound-assisted turning technology. Methods: Comparison of ultrasound-assisted practice of turning technology and general strengths of turning technology.
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