... 洗涤槽 sink 存水湾 trap 小件卫生陶瓷 sanitary assembly articles ...
基于41个网页-相关网页
... 清扫口 cleanout 检查口 checkhole．checkpipe 存水湾 trapwater-sealed join ...
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... 检查口 checkhole . checkpipe 存水湾 trap,water-sealed join 水封 water seal ...
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短语
专用存水湾
Trap seals for special uses