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单选题
考虑到发动机的冷却、性能和经济性，应将适用于所有地面运行和飞行运行的建议节油程序包含入本节中。
A
Recommended fuel saving procedures applicable to all ground operations and flight operations should be included in this Section, taking into account engine cooling, property and economics.
B
Recommended fuel conservation procedures, appropriate to all phases of ground and flight operations, considering engine cooling, performance, and economy, shall be integrated into this Section.
C
Considering engine cooling, demonstration, and economy, recommended fue execution procedures applicable to all ground and flight operations should be included in this Section.
答案解析
正确答案：B
