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The welding method of large-diameter steel pipes should be selected according to the material and wall thickness of large-diameter steel pipes. Because different welding methods have different arc heat and arc force, different welding methods have different characteristics.For example, tungsten arc
(7) There should be a certain passage between the stack and the stack, and the inspection channel is generally 0. 5m, the access channel depends on the size of the material and the transportation machinery, generally 1.5~2. Om(8) Raise the bottom of the stack, if the warehouse is a sunny cement floo