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SY/T 5037およびGB/T 3091

2018-03-27View Original

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SY/T 5037とGB/T 3091、これら2つの溶接鋼管規格では、DN250を超える管についてどちらを選べばよいのでしょうか?いくつかの市政設計院では給排水管としてSY/T 5037が採用されているようですが、なぜGB/T 3091を選ばないのでしょうか?何か違いはありますか?どなたかアドバイスをお願いします
Reply #22018-12-06
異なる部門で策定されていて、大きな違いはありません。詳しくはこの投稿をご覧ください:https://bbs.hcbbs.com/thread-1655109-1-1.html

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