( )使用sea dye marker 时,注意一次只使用一个。 137.(×)夜间使用signal flare 时,应选择平滑的一端。

单选题

Sea Dye Marker是指

答案解析

判断题

( )使用sea dye marker 时,注意一次只使用一个。 137.(×)夜间使用signal flare 时,应选择平滑的一端。

答案解析

单选题

An immersion suit must be equipped with a(n) ____.A. air bottle for breathing B.orange smoke canisterC. retro-reflective material （反光带） D. sea dye marker

答案解析

单选题

Which of the following can be used to monitor the bearing of a radar target in relation to your location?A. the electronic bearing line B. the variable range markerC. the anti-rain clutter D. the anti-sea clutter

答案解析