188、自适应自动舵与普通自动舵相比具有主要优点是①能自动确定各项参数;②进行最佳制;③减少操舵次数并减小操舵舵角

21. *In SOLAS there are requirements for means of control of () and closing them as necessary to prevent the spread of fire.

20. General fire control plans show the particulars of following systems EXCEPT ().

19. *Boarding a vessel, you can find the fire control plan first at ().

18. *For ships constructed on or after 1 July 2014, a minimum of () two-way portable radiotelephone apparatus for each fire party for fire-fighter＇s communication shall be carried on board.

17. *Replace the worn () with new ones.

16. *There are various types of () readily for immediate use.

15. *() is not operational yet.

14. *() is operational.

13. The device on above picture is ().

12. Which statement concerning carbon dioxide is FALSE?