43kg/m钢轨轨底宽为()。
参考答案:114mm
关于黑点癣,下列说法不正确的是()
A.少见,儿童及成人均可发病
B.头皮损害类似白癣
C.患区头发一般距头皮2~4mm处折断
D.损害小而数目多,常伴不同程度炎症
E.病发刚出头皮即折断
()contains the wheelhouse with the control station,the chartroom where charts,pilot books and publications are kept,and the radio room.
A.The doube bottom
B.The cofferdam
C.The navigating bridge
D.The superstucture