[ (一插即用)防臭钢丝下水管 (用坏换新) ]
[ (翻盖-有孔)防堵款+(钢丝)管 ]
[ (翻盖-无孔)防堵款+(钢丝)管 ]
[ (小弹跳-有孔)防堵+(钢丝)管 ]
[ (小弹跳-无孔)防堵+(钢丝)管 ]
[ (大弹跳-有孔)防堵+(钢丝)管 ]
[ (大弹跳-无孔)防堵+(钢丝)管 ]
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