DN in mm, PN in bar, Mb有效膜片面徑, D(外徑), b(厚度, d2(孔徑), K(中心), F(座厚), d4(內徑), 孔數. mm, mm, mm, mm, mm, mm, mm, 個. 25, 10/40, 32, 115, 22, 14 ...
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