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本文介绍了采取用 Ar—CO_2混合气保护、药芯焊丝、气电垂直自动焊接板厚20毫米普通低合金钢的工艺。
This paper introduces the process of adopting Ar-CO_2 gas mixture protection, flux cored wire and gas vertical automatic welding of ordinary low-alloy steel plate 20 mm thick.