(2.5 分)
For flag administrations, the Annex b of IMO resolution
A, 890 (21) is______.
A.compelled to follow B.mandatory regulations C.just a guidance D.invalid正确答案C
(2.5 分)
For flag administrations, the Annex b of IMO resolution
A, 890 (21) is______.
A.compelled to follow B.mandatory regulations C.just a guidance D.invalid正确答案C