lifebuoy self-activating smoke signal的意思|示意
救生圈自动激活烟雾信号
lifebuoy self-activating smoke signal的网络常见释义
救生圈自发烟雾信号 救生圈自发烟雾信号
lifebuoy self-activating smoke signal相关例句
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.
该信号能提供自亮灯和自发烟雾信号供白昼和黑夜使用并相等地分布在船舶两舷。
A lifebuoy is provided with self-igniting light and self-activating smoke signal which is available for use by dayand at night and to be equally distributed on both sides of the ship.
用途：该信号能提供自亮灯和自发烟雾信号供白昼和黑夜使用并相等地分布在船舶两舷。
A lifebuoy is provided with self-igniting light and self-activating smoke signal which is available for use by dayand at night and to be equally distributed on both sides of the ship.
该信号能提供自亮灯和自发烟雾信号供白昼和黑夜使用并相等地分布在船舶两舷。