单项选择题
A.special area
B.national waters
C.the designated zone
D.the designated channels
单项选择题 If Annex V to MARPOL 73/78 applies to your vessel,you willnot be able to discharge()anywhere at sea.
单项选择题 How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?().
单项选择题 How many PPM of the oily water can be pumped out within 12 miles along the China coast line?().