Ключевые слова:
Watertightness tests, Dynamic loading, Pipes, Size, Joints, Marking, Compressive strength, Pipe couplings, Test equipment, Dimensions, Sealing materials, Polypropylene, Stress, Pipe fittings, Loading, Shear testing, Internal, Length, Diameter, Deflection tests, Pressure, Straightness measurement, Sewers, Sleeves (mechanical components), Designations, Stress relaxation, Specimen preparation, Drainpipes, Testing conditions, Tensile strength, Fluid equipment, Thermal stability, Conformity, Ceramics, Vitrified china