单项选择题
A.the ship security plan
B.the company security plan
C.the port security plan
D.the national security plan
单项选择题 If a vessel moored at a U-Sterminal does not comply with coast guard pollution prevention regulation, it may be detained by the （）
单项选择题 The temperature of the fuel oil received during bunkering operations is critical in determining the（）
单项选择题 In a flash evaporator, scale as a result of higher than normal temperatures in most likely to occur in the （）