外锁闭道岔各牵引点两侧锁闭框中心及转辙机的动作杆与锁闭杆三者间有何要求?
参考答案:
三者成一直线,并与岔枕保持平行。
图为(元朝疆域图),其中宣政院管辖的地区是
A.①
B.②
C.③
D.④
Many of us have a strange sense that we do remember feeling as if we _________in a dream, but can’t quite recall the details.
A.are flying
B.were flying
C.fly
D.would fly