пружина затвора
circuit-closing device
closing cylinder
closing
closing correction
closing measure
closing time
closing-in movement
belt feed pawl spring / belt-feed pawl spring
belt feed lever pivot spring / belt-feed lever pivot spring
axle suspension spring
drive spring
drive spring guide
leaf spring
recoil spring guide
sear spring
single-strand, high-strength, spring-steel wire
spring breakup
spring mechanism
torsion bar spring
bolt handle spring retaining pin
cap retaining pin spring
carrier spring
change-lever spring
ejector spring retaining pin
recuperator spring
safety spring retaining pin
follower spring
heavy duty follower spring
retractor spring pin
spring guide trunnion
diaphragm-type-spring-loaded striker
spring-loaded striker