昌江黎族自治縣Elbow 45 °, 90 °
昌江黎族自治縣Equal tee T (s)
昌江黎族自治縣Reducing tee T (R)
昌江黎族自治縣Concentric reducer R (c)
昌江黎族自治縣Eccentric reducer R (E)
昌江黎族自治縣Cap
