The most complex approach lighting systems are designed for runways with _______ .
A.precision instrument approaches
B.non-precision approaches
C.VOR/DME approaches
D.VFR approaches
正确答案是A
The most complex approach lighting systems are designed for runways with _______ .
A.precision instrument approaches
B.non-precision approaches
C.VOR/DME approaches
D.VFR approaches
正确答案是A