To co-ordinate the testing of materials as per the contract requirement.
协调材料测试确保符合合同的要求。
Modal acoustic emission (MAE) is a new method for acoustic emission testing of materials.
模态声发射是材料声发射检测的新方法。
Modal acoustic emission (MAE) is a new method for acoustic emission testing of materials.
模态声发射是材料声发射检测的新方法。
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