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Terms for subject Metallurgy containing 检声器 | all forms
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双换能器转换器超声波检测double-transducer ultrasonic test
双换能器超声波检测double-transducer ultrasonic test
超声检漏器ultrasonic leak detector
超声波无损检测器ultrasonic detector
超声波钢轨无损检测器ultrasonic rail tester