submarine-detecting set 潜艇探测器

radar signal detecting set 雷达信号探测套件

Ice Detecting Set 测冰仪

mine detecting set 探矿设备

Crack and Porosity Detecting Set 金属裂缝探伤剂

Detecting the Empty Answer Set 检测空回答集

sonar detecting-ranging set 声纳探测与测距仪 ; 探测与测距声呐设备

short-range sonar detecting-ranging set 短程声纳测距装置