A yellow signal floating in the air from a small parachute,about 300 feet above the water,would indicate that a submarine().

A . has fired a torpedo during a drill B . is about to rise to periscope depth C . is on the bottom in distress D . is disabled and unable to surface

时间:2022-10-27 11:50:29 所属题库:安全通信题库

相似题目