15. 翻譯:將貨艙通風打開排氣。
(A) Open the hold ventilation to supply air.
(B) Open the hold ventilation to exhaust air.
(C) Open the hold ventilation to breathe air.
(D) Open the hold ventilation to refresh air.
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統計: A(4), B(20), C(3), D(4), E(0) #1235207
統計: A(4), B(20), C(3), D(4), E(0) #1235207