The paper discussed the design of U-pipe bending machine based on hydraulic pressure automatic-control system.
本文介绍了基于液压控制系统的自动U型弯管机的设计。
The paper, based on scientific research practice introduces an electric control principle on automation production line, which is applied to production of pipe bending machine.
结合科研实际，介绍了一种适用于弯管机生产的自动化生产线的电控原理。
The paper, based on scientific research practice introduces an electric control principle on automation production line, which is applied to production of pipe bending machine.
结合科研实际，介绍了一种适用于弯管机生产的自动化生产线的电控原理。
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