國標鋁合金襯塑復合管適配給水建築
2024-09-19
熱脹冷縮是材料基本屬性，所產生的膨脹力是導致傳統金屬管道結構性破壞的主要因素，尤其在管道局部（連接段），極易產生應力集中與積累，造成爆管、連接滲漏等事故頻發。一直以來
品牌：航天凱撒 規格：dn20~dn315 產地：山西 材質：金屬襯塑復合管
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