問題詳情
39. 在【圖1】地形圖中，若等高距為10m曲線，北側地勢較南側高，顯示該鐵路進入隧道時(A點)的高程為多少？
(A)150m
(B)230m
(C)270m
(D)350m
參考答案
無參考答案
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