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                • 管継手の技←術的要件 2019-06-20

                  管継手の技術要件は次のとおりです。 第一に、幾何學☆的寸法は外徑、內徑、および壁厚を含む。曲率半徑の制禦も必要です。たとえば、半徑が1.5dの場合、曲率半徑は必要な許容範

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