勺子放进去为什么弯了呀 是就这个形状还是因为玻璃壁厚不一样发生了折射?
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勺子放进去为什么弯了呀 是就这个形状还是因为玻璃壁厚不一样发生了折射?
勺子放进去为什么弯了呀 是就这个形状还是因为玻璃壁厚不一样发生了折射?