self-activating smoke signal

基本解釋

A lifebuoy is provided with self-igniting light and self-activating smoke signal which is available for use by …
該信號能提供自亮燈和自發(fā)煙霧信號供白晝和黑夜使用并相等地分布在船舶兩舷。
A lifebuoy is provided with self-igniting light self-activating smoke signal which is available for use by day at night to be equally distributed on both sides of the ship.
該信號能提供自亮燈和自發(fā)煙霧信號供白晝和黑夜使用并相等地分布在船舶兩舷。
A lifebuoy is provided with self-igniting lightself-activating smoke signal which is available for use by dayand at nightto be equally distributed on both sides of the ship.
該信號能提供自亮燈和自發(fā)煙霧信號供白晝和黑夜使用并相等地分布在船舶兩舷。