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干净桶底 / clean bottom


When we pour away the water with the bucket, we will find that the bottom of bucket is very easy to make our hands dirty.The redesign of bucket solves this problem.


陈, 洪利

陈, 洪利
河北省秦皇岛市海港区燕山大学, China


陈, 洪利

陈, 洪利
河北省秦皇岛市海港区燕山大学, China