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主要用于水(shui)庫電站的發(fa)電引水(shui)道，尤其是中、高水(shui)力發(fa)電站，通(tong)常由分段式明管(guan)為主的壓力鋼(gang)管(guan)作為主要引水(shui)管(guan)道。
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