段管线 depot siding
参考答案:
设在铁路机务、车辆、工务、电务等段内,供该段使用和管辖的线路。
满族主要分布在我国的()。
A.东北
B.西北
C.东南
D.西南
His sister’s never been to the Summer Palace, _______?
A.is she
B.has she
C.hasn't she
D.isn't he