山东熟女啪啪哦哦叫,精品午夜福利无人区乱码一区,AV午夜福利一片免费看久久,亚洲精品又粗又大又爽A片

Overview：LFSS integrated connector pipe can be adjusted simply by the flange in the range 0-30mm adjusting screw, the adjusting bolt can effectively prevent the axial pressure generated by the medium pipe, pipe fittings will not generate a thrust attachment.
Integrated connector model LSFF-I, LSFF-II, wherein I represents the type gauge, a pressure gauge and type II representatives evacuation tube.