GB/T34549, 9.44 Mechanical strength test, JCT 764-2008， Toilet lid swing test: toilet lid opening and closing test; 5.4.6, 6.11: Toilet lid slow fall function life test; 5.4.7, 6.12: Development of standards related to toilet seat pressure testing. The seat ring compressive strength testing machine is suitable for seat ring strength testing and cover plate strength testing when the toilet is not water flowing. Conduct a persistent pressure test on the tested cover plate and seat ring using a 5mm thick steel plate with a diameter of 300MM driven by a cylinder