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pvc管件 90°弯头
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国标pvc45度等径弯头pvc排水管配件pvc排水弯头50/75/110/160/200
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图片内容是:50pvc弯头
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pvc-u45°弯头Ф160
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pvc微偏弯头偏置小角度11.25 15 22.
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武汉金牛pvc存水弯 排水管防臭 p弯头 无口p型下水配件50 75 110