altimeters例句

Radar altimeters are used in aircraft to indicate height above the ground of sea.
雷达高度表用以指示飞机相对于地面或海平面的高度.

The parachute caps and altimeters must be wore, and parachute opener must be brought skydiving.
参加跳伞比赛人员必须戴伞帽、佩带高度表,造型跳伞必须带开伞器.