带状组织
参考答案:
是钢材的内部缺陷之一,出现在热轧结构钢的显微组织中,沿轧制方向平行排列,呈层状分布、形同条状的铁素体晶粒与珠光体晶粒。
根据句意及首字母完成句子。
1.I like to s on the ice.
2.He likes to s on the snow.
3.I think her clothes are c .
4.What are you going to do on your winter h ?
5.There are some new words that I don't u .
父亲正常,母亲为血友病基因携带者,男性胎儿和女性胎儿患病的几率分别为()。
A.0和50%
B.25%和50%
C.50%和0
D.50%和50%
E.100%和0