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超声波探伤器 chāoshēngbō tànshāngqì
gen.	crackmeter
auto.	ultrasonic tester
chem.	supersonic flaw detector
met.	hypersonic analyzer
oil	ultrasonic crack detector; ultrasonic defectoscope
railw.	supersonic crack detector
steel.	supersonic detector
tech.	crack meter; ultrasonic reflectoscope; reflectoscope
wind.	ultrasonic flaw detector
超声波探伤器牵引供电 chāoshēngbō tànshāngqì
railw.	supersonic crack detector

超声波探伤 器: 4 phrases in 2 subjects

Oil / petroleum	2
Technology	2