Two years of field test and one year of application in practical project show that this method is simple and effective.
两年现场试验及一年的工程实际应用，表明这种加固方法简便和有效。
Two years of field test and one year of application in practical project show that this method is simple and effective.
两年现场试验及一年的工程实际应用，表明这种加固方法简便和有效。
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