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水果发电实验套装科学实验材料学生科技培训课教学用具手工制作
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¥4.38 | 988882 bag available |
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¥5.63 | 988719 bag available |
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¥6.88 | 988700 bag available |
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boxed material + led bulb + dial(盒装材料+LED灯泡+表盘) | ¥8.5 | 9888816 bag available |
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