松开印把时，压力弹簧复位，驱动板再次通过驱动滑槽推动主动记数环继续转动。

After the seal handle is released, the pressure spring will reset and the driving counting ring driven by the driving board will rotate further.

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所述的自动转换开关还设有包括一个限止件和一个复位弹簧的锁定装 置，有效的保证了触头的压力，使接通与分断能力有了较大的提高。

The invention also includes the lock-in device with the bound piece and the reset spring, which ensures the right press of the contact, improves the capacity of connecting and breaking.

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当线圈断电时，先导阀芯靠弹簧复位，先导孔打开，阀上腔卸压，活塞靠下腔介质压力推动，电磁阀打开。

When the coil power, the pilot valve by the spring return, pilot hole open, pressure relief valve on the chamber, the piston on the lower chamber medium pressure to promote the solenoid valve open.

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