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Liquefied gas storage tank welding production
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Liquefied gas storage tank welding production

(2) Production and inspection process: The production and inspection process lacks content requirements, no one signs the preparation and review of the production and inspection process, and there ...
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(2) Production and inspection process: The production and inspection process lacks content requirements, no one signs the preparation and review of the production and inspection process, and there is no approval after deviation from the process. For example, in a certain welding process, the thickness of the plate is 32mm, only the welding parameters of each side are regulated, but the number of welding layers and passes of each side is not regulated. Cannot guide welding production.

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