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锛�2锛変綆澹撻枼锛氭寚鍏ū澹撳姏PN ≤1.6Mpa 鐨勯枼闁�銆�
锛�3锛変腑澹撻枼锛氭寚鍏ū澹撳姏PN 鐐�2.5Mpa銆�4.0Mpa銆�6.4Mpa鐨勯枼闁�銆�
锛�4锛夐珮澹撻枼锛氭寚鍏ū澹撳姏PN 鐐�10.0Mpa锝�80.0Mpa鐨勯枼闁�銆�
锛�5锛夎秴楂樺闁ワ細鎸囧叕绋卞鍔� PN≥100.0Mpa鐨勯枼闁�銆�
锛�6锛夐亷婵惧櫒锛氭寚鍏ū澹撳姏PN 鐐�1.0Mpa銆�1.6Mpa
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