17.某船自甲地(49° ,170° )至乙地(49° ,130° ),依平行航法航行,則航程為多少
N W N W 浬?
(A)1574.5
(B)1811.3
(C)2400
(D)2760.8
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統計: A(13), B(12), C(13), D(17), E(0) #1188425
統計: A(13), B(12), C(13), D(17), E(0) #1188425