单项选择题
A.KG is increased B.KG is decreased C.KG is not affected D.KG increases at light drafts and decreases at deep drafts
A.KM is small B.KM is high C.BL is small D.KB is large
A.INTERNATIONAL LOAD LINE CERTIFICATE B.PASSENGER SHIP SAFETY CERTIFICATE C.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE D.GENERAL DECLARATION