поршневе кільце зі скосом на зовнішній поверхні біля нижнього торця
inside beveled piston ring
beveled
beveled joint
circumferentially compressible piston ring
compound piston ring
face of piston ring
hammered piston ring
compression piston ring
oil control piston ring
oil scraper piston ring
piston ring
gummed-up piston ring
base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction
life ring (ring buoy)
inverted flared tube
inverted valve
inverted wedge
inverted wedge formation
inverted velocity profile
endless sling inverted basket hitch
gas piston
piston
piston pin
short piston travel
recuperator piston
recuperator-piston rod
recuperator-piston rod nut
replenisher piston head
bearing piston pin
bottom rib of piston
counteracting piston type buffer
distributor piston