什么叫钢水炉外精炼？
参考答案：
钢水炉外精炼就是将炼钢炉中初炼的钢水移到钢包或其他专用容器中进行精炼，也称为二次精炼。
---I feel terrible ,but I’ve just broken your ashtray.
---_________, for I had meant to change it.
A．Go head
B．No problem
C．it’s nothing to get upset about
D．I’ll look into it immediately
实物福利指单位或雇主免费或低价提供给员工的各种实物产品和服务折价。
