单项选择题
A.IMDG conference
B.American Bureau of Shipping
C.International Maritime Organization
D.American Institute of Maritime Shipping
单项选择题 The number of certificated able seamen and lifeboatmen required on a ship is stated in the （）.
单项选择题 The number of certificated able seamen and lifeboatmen required on board is listed in the （）.
单项选择题 The number of certificated able seamen and lifeboatmen required on board is listed in the （）.