37 機票行程如涉及非航空之交通工具(BY SURFACE),該行程班機訊息之欄位須如何標示?
(A)VOID
(B)OPEN
(C)NIL
(D)NS
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統計: A(244), B(103), C(88), D(61), E(0) #1304783
統計: A(244), B(103), C(88), D(61), E(0) #1304783