[ 20cm长 ]
[ 25cm长 ]
[ 30cm长 ]
[ 胶圈 ]
[ 20cm进水管+胶圈 ]
[ 25cm进水管+胶圈 ]
[ 30cm进水管+胶圈 ]
[ 20cm进水管+胶圈+装饰盖 ]
[ 25cm进水管+胶圈+装饰盖 ]
[ 30cm进水管+胶圈+装饰盖 ]
[ 螺母14 ]
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