day light signal 中文意思是什麼
day light signal
解釋
日光式號志;燈光式號志-
Day light signal
日光式號志 -
A lifebuoy is provided with self - igniting light self - activating smoke signal which is available for use by day at night to be equally distribu - ted on both sides of the ship
該信號能提供自亮燈和自發煙霧信號供白晝和黑夜使用並相等地分佈在船舶兩舷。
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