单项选择题
A.The required oily-water separator malfunctions
B.The ship is transferred to Liberian registry
C.An annual survey is conducted fifteen months after the date of certificate issuance
D.A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator
单项选择题 In the ship construction portfolio，materials which do not conform to ASTM or ABS specifications must also include the（）.
单项选择题 In order to withstand fluid head pressure on a ship，stiffeners are often attached to the bulkhead（）.
单项选择题 I saw the cargo surveyor（）the cargo on deck just a minute ago．