UPVC管DN與DE對照表DNDE2025253232404050506370758090100110110125125140150160175180200200225225250250275280300315350355400400DN150Ф159MM,DN200Ф219MMDN250Ф273MM,DN300Ф325MMDN350Ф377MM,DN400Ф426MMDN450Ф480MM,DN500Ф530MMDN600Ф630MM,
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畢業(yè)設計 / 發(fā)布時間:2024-03-07
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