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埋地穿線熱浸塑鋼管廠家是采用流化床浸漬工藝，一次成膜新工藝生產(chǎn)的新型防腐鋼材熱浸塑鋼管廠家，是原涂塑鋼管或靜電噴管的升級(jí)替代產(chǎn)品。該工藝保證了涂層與管材達(dá)到結(jié)合力（每...

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