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A method of utilizing plasma welding soldering low alloy steel sheet butt weld
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A kind of coal gasifier slag lock and its manufacture craft
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Machining method of group of holes in large-sized metal tube plate
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Method for controlling tailor welding deformation of large metal pipe plate
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Cylinder circumferential-seam plasma welding method
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Multifunctional bundling machine for multi-layer bundling of metal pressure container
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Numerically controlled process of cutting spatial curved surface for inserting inclined pipe to barrel
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