指针弹簧组
key word：Digital inquiry experiment system
key word：
Product Classification：
Product Description
产品概要
带指针弹簧，可与胡克定律实验仪等配合使用，也可去掉指针单独使用弹簧。
应用
胡克定律相关实验
其他力学相关实验
包含
5根带指针弹簧
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