[单选题]钢轨接头病害中的淬火钢轨端部的鞍形磨耗:磨耗深度一般为为2.5mm至（）mm，在铺设混凝土枕的地段比较明显，发展也比较快。
A.6
B.7
C.4
D.5

Required, honour, dispatched, resulted, received, irrevocable, release, declared, prepared, handed

Goods should not be {{U}} (21) {{/U}} direct to address of a bank or consigned to a bank without prior agreement on the part of that bank. In the event of goods being dispatched direct to the address of a bank or consigned to a bank for delivery to a drawee against payment or acceptance or upon other terms without prior agreement on the part of that bank, the bank has no obligation to take delivery of the goods, which remain at the risk and responsibility of the party dispatching the goods.
In practice, great careis {{U}} (22) {{/U}} when goods ale consigned to the bank as large losses have {{U}} (23) {{/U}} from incorrect procedures being followed.
Quite often, goods consigned to the bank will arrive by air before the supporting documents have been {{U}} (24) {{/U}}. At this stage we will have little indication of the val