The direct inspection method for bridge structural health monitoring has certain limitations.
桥梁结构健康监测直观检查法具有一定的局限性。
The direct current demagnetization method was selected to this auto-inspection line of tubing.
针对油管漏磁自动检测过程中的剩磁，选用了直流退磁方法进行退磁处理。
The direct current demagnetization method was selected to this auto-inspection line of tubing.
针对油管漏磁自动检测过程中的剩磁，选用了直流退磁方法进行退磁处理。
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