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precision depth recorder
geophys. 精密深度记录仪
oil 精密深度记录器
shipb. 精确深度记录仪; 记录式精密测深仪
space 精密回声测深仪
tech. 精确深度测定记录器
precision depth recorder
: 6 phrases in 3 subjects
Oil / petroleum1
Shipbuilding1
Technology4