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J类法兰自闭式放泄阀
J kind of flanged self-closing drain valves
参考页数：7P.;A4
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J类法兰铸钢可闭立式防浪阀
J kind of flanged cast steel screwdown vertical storm valves
参考页数：7P.;A4
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J类铸钢舷侧阀
J kind of hull cast steel globe
参考页数：8P.;A4
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J类法兰铸钢直角通海阀
J kind of flanged cast steel suction sea valve
参考页数：7P.;A4
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J类锻钢3.0MPa截止阀
J kind of forged steel 3.0MPa stop valves
参考页数：9P.;A4
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J类青铜0.5MPa旋启式止回阀
J kind of bronze 0.5MPa swing check valves
参考页数：7P.;A4
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J类青铜2.0MPa截止阀
J kind of bronze 2.0MPa stop valves
参考页数：8P.;A4
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J类法兰青铜1.6MPa止回阀
J kind of flanged bronze 1.6MPa lift check valves
参考页数：7P.;A4
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J类法兰青铜1.6MPa截止止回阀
J kind of flanged bronze 1.6MPa stop check valves
参考页数：7P.;A4
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