单项选择题
A.American Bureau of Shipping classification rules
B.International Regulations for Preventing Collisions at Sea
C.Safety of Life at Sea Convention
D.Minerals Management Service rules
单项选择题 To determine the number of portable fire extinguishers required on an inspected vessel，you should check the（）.
单项选择题 To determine the number of portable fire extinguishers required on an inspected vessel，you should check the（）.
单项选择题 To determine the number of inflatable liferafts required on a vessel，you should check the （）.