flash signal造句

例句与造句

1. The lighthouse flashes signals twice a minute
   灯塔每一分钟发出两次信号。
2. Busy - flash signal
   话中点灭信号
3. A civil aircraft in emergency on the sea shall also flash signals to vessels and national maritime search and rescue service
   民用航空器在海上遇到紧急情况时，还应当向船舶和国家海上搜寻援救组织发送信号。
4. Article 151 a civil aircraft in emergency shall flash signals and report to air traffic control unit to request rescue ; the air traffic control unit shall notify immediately the search and rescue coordination centre
   民用航空器在海上遇到紧急情况时，还应当向船舶和国家海上搜寻援救组织发送信号。
5. It's difficult to find flash signal in a sentence. 用flash signal造句挺难的