名词
中文翻译：弹簧针
同义词：
['spring bar', 'spring needle']
例句：
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1.The spring bar is used to adjust the tension of the spring.
弹簧杆用于调整弹簧的张力。
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2. The spring needle is essential for the accurate measurement of small objects.
弹簧针对于精确测量小物体至关重要。
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3.The spring bar and needle are made from high-quality materials to ensure long service life.
弹簧杆和针由高质量的材料制成，以确保长寿命。