22.lower down the yellow flag. Lower down Q flag.
降下检疫旗，降下检疫旗。
| 单词 | Q flag |
| 释义 |
Q flag
原声例句
航海英语听力 22.lower down the yellow flag. Lower down Q flag. 降下检疫旗，降下检疫旗。
英语百科
PratiquePratique is the license given to a ship to enter port on assurance from the captain to convince the authorities that she is free from contagious disease. The clearance granted is commonly referred to as Free Pratique. A ship can signal a request for "Pratique" by flying a solid yellow square-shaped flag. This yellow flag is the Q flag in the set of International maritime signal flags. |
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