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商业 · 2026/4/241 分钟阅读
Pipeline Safety: Eliminating Limitations on Welders and Welding Operators
本地自动翻译 · 来源原始语言
摘要
This NPRM proposes to remove the exclusion for welders or welding operators qualified by nondestructive testing from welding on compressor station pipe and components.
来源原始语言: Federal Register — Transportation Department打开原始公告 →