中文名:J类法兰铸铁0.5MPa闸阀
英文名:J kind of flanged cast iron 0.5MPa gate valves
中文名:J类法兰铸钢直角空气阀
英文名:J kind of flanged cast steel angle air valves
中文名:J类法兰自闭式放泄阀
英文名:J kind of flanged self-closing drain valves
中文名:J类法兰铸钢可闭立式防浪阀
英文名:J kind of flanged cast steel screwdown vertical storm valves
中文名:J类铸钢弦侧阀
英文名:J kind of hull cast steel globe
中文名:J类法兰铸钢直角通海阀
英文名:J kind of flanged cast steel suction sea valve
中文名:J类锻钢3.0MPa截止阀
英文名:J kind of forged steel 3.0MPa stop valves
中文名:J类青铜0.5MPa旋启式止回阀
英文名:J kind of bronze 0.5MPa swing check valves
中文名:J类青铜2.0MPa截止阀
英文名:J kind of bronze 2.0MPa stop valves
中文名:J类法兰青铜1.6MPa止回阀
英文名:J kind of flanged bronze 1.6MPa lift check valves