Then discovers using the Gray Relation Analysis method corrodes the influence big factor to the casing steels, in order to take the effective protective measure.
然后利用灰色关联分析法找出对套管腐蚀影响较大的因素，以便采取有效的防护措施。
Then discovers using the Gray Relation Analysis method corrodes the influence big factor to the casing steels, in order to take the effective protective measure.
然后利用灰色关联分析法找出对套管腐蚀影响较大的因素，以便采取有效的防护措施。
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