题目内容

装载G3的车辆距牵引的内燃、电力机车,推进运行或后部补机及使用火炉的车辆隔离辆()

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Thepressureof1013hPaisknownas()

A. standard pressure setting
B. QNH
C. QFE
D. QFF

QNHisdefinedas()

A. the pressure at MSL obtained using the standard atmosphere
B. the pressure at MSL obtained using the actual conditions
C. QFE reduced to MSL using the actual conditions
D. QFE reduced to MSL using the standard atmosphere

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