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The pourer is a new design of bottleneck. Thread height of the original bottleneck is reduced, and new structure is added to the unthreaded part above. The new oil bottle is as same as the traditional one when covered. But when open the cover, the new structure can be extended as the pourer, which is convenient for pouring oil.
Dalian Minzu University
Dalian, China
Xuefei Liu
Di Fang
Fan Yang
Baihui Yang
