名词
中文翻译：解锁手指弹簧
同义词：
['unlocking mechanism', 'unlocking device']
例句：
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1. The new car has aunique unlocking finger spring design thatmakes it easy to start the engine.
这款新车有一个独特的解锁手指弹簧设计，使得启动引擎变得轻而易举。
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2. Theold watch had a simplebut reliable unlocking fingerspring, which made it last formany years.
这枚旧手表有一个简单但可靠的解锁手指弹簧，这使得它能够持续多年。
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3. Theengineer designed an innovative unlocking finger spring that couldbe easily adjusted to fit different wristsizes.
这位工程师设计了一种创新的解锁手指弹簧，可以轻松调整以适应不同手腕尺寸。