SPRING RETURN 回位弹簧 ; 单作用
spring-return switch 弹簧复位开关
spring return oil buffer 弹簧复原油压缓冲器
spring-return actuator 弹簧复位启动装置
Spring-return operating switch 自动复位的操作开关
spring return limit switch 有弹簧复位的限制开关
spring-return 弹力回程
spring-return piston 弹簧回程活塞
return spring [机] 回位弹簧 ; [机] 复位弹簧 ; 复进簧
spring-return directional valve 弹簧复位的换向阀
Each spring, thousands of walruses return to the Walrus Islands in northern Bristol Bay to feed, rest, and sometimes die.
每年春天，成千上万只海象返回到布里斯托尔湾北部的海象群岛觅食、休憩、有时死亡。
And when game moved out of the lowlands in early spring, the expedition decided to return east rather than face possible starvation.
然后，猎物在早春迁徙出低地时，探险队决定返回东部，以免遇到可能出现的饥饿问题。
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