How can the unit be rated?
A、It is rated according to the cargo types.
B、It is rated as the safe working load to be lifted.
C、It is rated according to the operating speed.
D、It is rated as the ship's size.
发布时间:2025-02-01 15:20:04
A、It is rated according to the cargo types.
B、It is rated as the safe working load to be lifted.
C、It is rated according to the operating speed.
D、It is rated as the ship's size.