Protected spring compensator to maintain closed door position;
弹簧保护补偿器用于固定门板闭合位置；
The plug is seated in the open position with the seats once again protected.
阀塞在开启状态下位于阀座内，此时阀座再一次处于保护状态。
If you cannot move an object, check to see if the position is protected.
如果你不能移动一个对象，检查其位置是否处于保护状态。
If you cannot move an object, check to see if the position is protected.
如果你不能移动一个对象，检查其位置是否处于保护状态。
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