单项选择题
From ()the mariner can understand the data of tide.
A.cargo plan B.tide table C.port list D.sea pilot
单项选择题 From () the mariner can know the data of tide.
单项选择题 For full information regarding the current circulation of the Indian Ocean,() Sailing Direction,Current Atlas,etc.
单项选择题 ETA/PILOT REVERTING means () .