springback
spring-biased
spring-center
spring-centered
spring-coiling
spring-collet
spring-controlled
spring-coupling
spring-driven
spring-elastic
  spring-loaded
spring-making
spring-mounted
spring-oil
spring-pressed
spring-set
spring-suspended
spring-type
spring-winding
springy
sprocket

    spring-loaded valve

     подпружиненный клапан

     клапан с пружинным возвратом