Tshwj xeeb hnav tsis kam.
Insensitivity rau vibration loads thiab siab peaks.
Heev compression kuj
Nws muaj qhov zoo tshaj plaws sealing nyhuv nyob rau hauv tsis muaj-load thiab tsis kub tej yam kev mob.
Kho kom haum rau qhov xav tau kev ua haujlwm tshaj plaws