合理损耗指因工艺设计造成的正常损耗。
参考答案:对
小冰在初冬季节和同学们到河边玩游戏,不慎将冰面踩破了一个洞,一条腿插入冰冷的河水里,冷得他直打哆嗦,自己听到牙齿的咯咯声响,但别人听到的响声却没有他听到的响声大,这是为什么?
In the foreign trade business, the trade terms CFR is often used. CFR is the abbreviation for ______.
A.Commercial Invoice
B.Cost, insurance and freight
C.Cost and freight
D.Carriage paid to