All sections of the ultrafiltrate system which have been in contact with the cleaning solution should be constructed of plastic or stainless steel to prevent attack by the cleaning chemicals.

能与清洗液接触的所有部份都要用塑料或不锈钢制成，以防止清洗用化学品侵蚀。

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In addition, hydrogen sulfide may infiltrate and attack the crystalline matrix of the steel, creating conditions which can lead to weakening and failure of the steel in certain cases.

此外，硫化氢还能渗透并腐蚀钢的晶格，在某些情况下会导致钢性能的削弱甚至损坏。

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Copper is especially good for steel specimens since the usual etchants for steels will not attack the copper.

铜钢试样特别是良好的，因为一般钢材腐蚀剂不会攻击铜。

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The brines in the formation and other corrosive elements will attack the casing steel.

FORBES: The Fracking Solution Is A Good Cement Job