题目:The surge tank drain check valve also prs fuel flow from main tank 1 and main tank 2 to the surge tank. A. 通气油箱排放单向活门也防止燃油从1号和2号主油箱流到通气油箱。B. 通气油箱排放检查活门也帮助1号和2号主油箱燃油流到通气油箱。C. 通气油箱排放单向活门也允许燃油从1号...