問題詳情
28.Close-coupled towing means a method of towing vessels through ice by means of icebreaking tugs with a special stern notch suited to received and hold the bow of the vessel to be towed.
(A)break
(B)surface
(C)storm
(D)polar
參考答案
答案：D
難度：適中0.541667
統計：A(2),B(7),C(2),D(13),E(0)