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パイプ径の違い

2020-08-13View Original

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一般に、パイプの直径は外径(De)、内径(D)、呼び径(DN)に分けられます。 皆さんもこの「dddddd」の違いを区別しましょう~DNは管の呼び径、Deは主に管の外径、Dは一般に管の内径、dはコンクリート管の内径、Φは普通の円の直径を表します。

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