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LV^ǞVصײˮϵyˮ_b
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LV^ǞVصײˮϵyˮ_b

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    V^⻬o@s|oѿpɫһ
    μÚⷴ_rV^ˮ^pʧ͚ˮͬr_ϴ
    _ϴĞV^ˮ^pʧOӋҪ
    LV^϶ȣ2.20.3mm϶e550mm2
    bܶ36-49/m2_ȣ10-20L/m2.Sˮ_5-6L/m2.S

    μˮ_ϴrV^ˮ^pʧ±ֵ


LV^ VˮñaƷߴ煢
    ̖       DN290mmLV^
    L       290mm
    U⏽     25mm
    Uȏ     20mm
    p϶Lȣ   25mm
    p϶ȣ   0.25mm
    p϶l   40l
    p϶e 250mm2
    AL100mm
    AײL146mm

    LV^ǞVصײˮϵyˮ_bãЧ؛_ϴVеsCVˮ|ˮ\V^ķNУḺĥ÷͡ͺ͈AABSƳYBιЉȸp϶׃ʹVgoˮDž^e࣬ЧÿСrˮ0.250.51LV^ڞVˮ_ϴˮϵy̱V^چˮ_ϴʽʽV޼xӽQVˮ̎O^Vb


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亚洲欧洲精品一区二区 _久久免费看av_国产欧美一区二区三区四区_国产欧美日韩最新
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