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馬其頓科佳水電站引水發(fā)電洞壓力鋼管,鋼管直徑Φ5 m,鋼管長度385 m,鋼管內(nèi)壁防腐面積6044.5 m2。本文主要介紹了壓力鋼管在安裝完畢,洞內(nèi)比較潮濕的情況下整體防腐工藝,為今后同類型施工情況積累經(jīng)驗。
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