The utility model has the advantages of flexible opening, high speed of pollution discharge, tight seal, and good effects of anti-overflow and deodorization.
本实用新型启闭灵活，排污速度快，封闭严密，防溢防臭效果好。
The utility model has the advantages of flexible opening, high speed of pollution discharge, tight seal, and good effects of anti-overflow and deodorization.
本实用新型启闭灵活，排污速度快，封闭严密，防溢防臭效果好。
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