TMTECK-Instrument, otu n'ime ndị isi na-emepụta ngwa NDT nke China, na-etinye mbọ ya mgbe niile iji nweta teknụzụ dị mkpa na transducers ultrasonic, ugbu a na-aga nke ọma n'ịmepụta ụdị nyocha ultrasonic niile iji dabara ụdị dị iche iche gụnyere GE, Olympus, Dakota., Wdg. ...
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