药材具有养血敛阴,柔肝止痛,平抑肝阳的功效;味苦.酸;归肝.脾经。该药材的药用部位是()
A.果实
B.根
C.花
D.根茎
E.地上部分
F.种子
参考答案:B
按自动闭塞法行车时,主体信号为地面信号;列车进入区间的凭证为();出站信号机因故只能显示黄灯时,列车进入区间的凭证为();出站信号机故障时,列车进入区间的凭证为调度命令和发车手信号。
A chock is a().
A.deck fitting used to secure mooring lines
B.casting fitted at the side of a weather deck,used as a fairlead
C.sharp block of wood used to support hygroscopic cargo
D.smoke pipe for the galley stove