клапан у днищі поршня
valve piston
piston-type selector valve
check valve / non-return valve
non-return valve / check valve
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
circumferentially compressible piston ring
compound piston ring
counteracting piston type buffer
distributor piston
U slot of piston
vacuum piston
varnish on the piston
ejection piston
face of piston ring
hammered piston ring
head of piston
inside beveled piston ring
inverted beveled piston ring
full-floating piston pin
full-skirt piston
piston pin boss
piston link
axial piston pump