問題詳情
36. 船舶之推進軸系統，艉軸外圓加裝銅套，其目的為下列何者？
(A) 增加強度
(B) 降低摩擦
(C) 減少磨損
(D) 提高冷卻
(A) 增加強度
(B) 降低摩擦
(C) 減少磨損
(D) 提高冷卻
參考答案
答案：C
難度：適中0.5
統計：A(2),B(5),C(12),D(4),E(0)
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