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承臺冷卻管 費用低 哪里有賣的哪家不錯
為降低混凝土內部水化熱溫度,調節承臺混凝土內表溫差,現采取在承臺混凝土體內設冷卻管通水出口引出承臺混凝土面1m以上,出水口設
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2021-05-17
承臺冷卻管哪家價格實惠工程哪里好
管是一種預埋注漿管系統,用于混凝土中的施工縫、冷接縫、管子滲縫、地墻之間空隙等處的永久密封。在新和舊混凝土的接縫之間安裝
2021-05-17
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