HUD标准Ⅱ类精密进近的最低天气标准是()

HUD标准Ⅱ类精密进近的最低天气标准是()

A.DH 30m,RVR350m

B.DH 30m,RVR300m

C.DH 35m,RVR350m

D.DH 35m,RVR300m

正确答案是B