Which approved lifesaving device is required for each person on board a motor vessel carrying passengers? ( )
A、Buoyant cushion.
B、Buoyant vest.
C、Lifejacket.
D、Ring life buoy.
发布时间:2025-05-10 07:34:00
A、Buoyant cushion.
B、Buoyant vest.
C、Lifejacket.
D、Ring life buoy.