10 航海船行速率之 1 節(knot)為:
(A) 1.852 mile/hour
(B)1.852 km/hour
(C)1 mile/hour
(D)1 km/hour
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統計: A(512), B(1301), C(101), D(29), E(0) #487601
統計: A(512), B(1301), C(101), D(29), E(0) #487601