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UCI-36 OPENINGS AND REINFORCEMENT (a) 提到:Cast iron flanges, nozzles, and openings shall not be attached to steel or nonferrous pressure vessels or pressure parts by welding or brazing, nor shall they be considered to contribute strength to the vessel or part.
在此句子中的 "openings"应如解讀 (個人認為絕對非字面上的開孔)
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