70.機場 G/S 發射器位於:
(A)跑道端‧The departure end of the runway.
(B)跑道進場側邊‧One side of the front course of the runway.
(C)跑道出場側邊‧The side departure end of the runway.
(D)跑道中心線上‧The center end of the runway.

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