日本住友齿轮泵QT32-12.5QT32-16QT42-20QT42-25QT42-31.5QT52-40QT52-50QT52-63QT62-80QT62-100QT62-125QT31-20QT31-25QT31-31.5QT41-40QT41-50QT41-63QT51-80QT51-100QT51-125QT61-160QT61-200QT61-250QT33-12.5QT33-16QT43-20QT43-25QT43-31.5QT53-40QT53-50QT53-63QT63-80QT63-100QT63-125)