18、对于5.2%的下降梯度,当地速为140KT时,对应的下降率约为?For gradient of 5.2%,what is the corresponding descend rate to the ground speed of 120KT?
A.600ft/min。
B.500ft/min
C.750ft/min
正确答案是C
18、对于5.2%的下降梯度,当地速为140KT时,对应的下降率约为?For gradient of 5.2%,what is the corresponding descend rate to the ground speed of 120KT?
A.600ft/min。
B.500ft/min
C.750ft/min
正确答案是C