“handheld digital ultrasonic flaw detector”的概念、定义、翻译、参考文献-科学参考

单词	handheld digital ultrasonic flaw detector
释义	handheld digital ultrasonic flaw detector Encyclopedia 工学[声学检测仪器与设备]释 handheld digital ultrasonic flaw detector掌上式数字超声波探伤仪重量轻、体积小，可放置于手掌上操作的数字式超声波检测仪器。
随便看	positive eigenvalued matrix positive eigenvector positive electron positive element positive emitter-coupled logic positive emitter-coupled logic, PECL positive endomorphism positive energy positive-energy representation positive energy states positive energy theorem positive energy wave positive entropy positive excess coefficient positive existential sentence positive extension positive eyepiece positive feedback positive feedback amplifier positive film positive flower structure positive formula positive function positive functional positive fundamental sequence

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