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spring return switch 弹簧复位开关
Special gear clutch uncouples motor during spring return. 当弹簧复位时特殊的齿轮离合器与电机脱离开来。
Give me a little green and a spring returned. 给我一片绿色,还您一个春天。
Slowly but surely spring returns. 春天的脚步虽然缓慢，但春天确实回来了
A/A = Pneumatic Air to Air. A/SR = Pneumatic Air to Spring Return (fail-safe). E = Electric (motor driven). 气动执行机构气到气(双动)。A/SR=气动执行机构气到弹簧复位(故障安全)。E=电动执行机构(电机驱动)。
Quarter turn, double acting and spring return type with a totally enclosed design and no external moving linkages. 四分之一转,双动和弹簧回位类型,具有全封闭结构,没有外部活动连接。
Spring returns to the earth and everything looks fresh and gay. 春回大地，万象更新。
Spring Return - An actuator using a spring to return the valve to either an open or closed position upon loss of power. 弹簧复位-当动力消失时，执行器采用弹簧将阀门恢复到开启或关闭的位置。
A/A = Pneumatic Air to Air.A/SR = Pneumatic Air to Spring Return (fail-safe).E = Electric (motor driven). 春回大地,万物复苏是令人异常喜悦的一段时光。
Spring returns to the earth.; Spring has come (round). 大地回春。
Spring returns to the earth. or Spring is here again. 大地回春。
For the spring return type actuator,the 3 way solenoid valves are used to control air loop,the p/p positioner is used for locating the position. 对于单作用执行机构方案,利用三通电磁阀来控制气路,由气动阀门定位器进行精确定位;而双作用执行机构方案则利用四通电磁阀控制气路,用力的平衡原理进行定位。
Fail-Closed - Spring return in a pneumatic actuator which closes the valve upon loss of air pressure. Also referred to as "Air-to Spring Close" or "Spring-to-Close" operation. 故障关闭-当出现气源压力消失时，气动执行器弹簧复位到关闭阀门的位置。也可称为“气-到-弹簧关闭”或“弹簧-到-关闭”工作方式。
We look forward to the return of spring. 我们期待着春天的到来。
This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
Valve number 2 is awkward to maintain, as its spring return actuator is heavy and causes unnecessary strain on the pipe elbow just above it before the pipe turns downward through the floor. 2号阀门也很难进行维护，因为它的弹簧复位执行器非常重，而且正好位于管道转向地面的弯管上，因此管道承受着很大的压力。
Deformed elasticity: if the applied forces are removed the spring returns to its original shape. 弹性形变即如果将所施力撤去,弹簧可回复到原先的形状的形变。
Though going to fall, When spring returns I shall appear again To share the joy of the Dharma with you. 飘落之时将至,当春回时,我会再来与你分享法的喜悦。
I buy him a drink in return for his help. 我请他喝酒以酬谢他的帮助。
After spring returns to the earth, the sights of spring are bright and enchanting. 春回大地后春光明媚。