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サイズは本当に重要ですか? - 給水管の流量
FLOW vs PRESSURE
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5ガロンバケツテストで毎分ガロン流量を計算する方法と、流量損失について説明します。
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プールの循環とリターンジェットの流れの3つの鍵
水道管のサイズの決め方(PEXと銅管)
Pump Power Calculation #shorts #ytshorts #india #pump #oilandgas
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