鉛水喉(A喉，B喉，C喉)、水喉預制件、水喉配件、一種常用於運輸水或其他液體的管道系統，具有較高的耐腐蝕性能和使用壽命，因此廣泛應用於自來水系統、消防系統。
BS EN 10217, BS EN10255
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