转K5型转向架的侧架立柱磨耗板材质为()。
A.47Mn2Si2TiB
B.Cr18N19
C.ADI
D.铜
参考答案:A
As usual,we are going to insure against()for 110% of the invoice value.
A.order
B.All Risks and War Risk
C.you
D.shipment
寒郁肌表,经气不畅,故见()
A.恶寒
B.无汗
C.身痛
D.苔少
E.脉迟