我们遵照毛主席关于“认识从实践始,经过实践得到了理论的认识,还须再回到实践去”的教导,对我厂经过十几年生产考验的自制焊接设备进行了总结,现选其中一部份供交流参考。 In accordance with Chairman Mao’s teachings of “knowing from the beginning of practice and obtaining theoretical knowledge through practice, we must go back to practice”, we have summarized the homemade welding equipment that has been tested by our factory for more than ten years and selected among them Part of the exchange for reference.