荧光磁力万能探伤仪
fluorescent magnetic universal flaw detector
磁力探伤器用的退磁器
demagnetising equipment for magnetic crack detector
漏磁探伤仪
leakage magnetic flow detector
录磁探伤仪
record magnetism flaw detector
GM3磁通门磁力仪
GM3 fluxgate magnetometer
Flux Gate Magnetometer GM3
Overhauser海洋磁力仪
Overhauser’s marine magnetometer
SeaSPY海洋磁力仪
SeaSPY marine magnetometer