方向舵最大偏转角度为30°,正常情况下,方向舵行程限制在校正空速大于()时随着速度的增加逐渐将最大偏转角度减小到3.4°
A、100kt
B、140kt
C、200kt
参考答案:B
Although ______ for many years, the two old sisters recognized each other at once.
A.having been separated
B.being separated
C.having separated
D.had been separated
简述糖尿病酮症酸中毒补液应遵循的原则?