当折弯()时,应采用V形槽较宽的下模。 A.材质较硬 B.厚度较大 C.材质较软 D 发布时间:2018-08-12 19:37 │ 来源:www.tikuol.com 题型:多项选择题 问题: 当折弯()时,应采用V形槽较宽的下模。A.材质较硬B.厚度较大C.材质较软D.厚度较小
题型:多项选择题 -Hello, John. This is Alice. I’m calling from work. How’s your mother feeling?- ________. Mum is out of hospital, but she has to stay in bed a few more days.[ ]A. You’re welcome B. By all meansC. What a pleasure D. That is thoughtful of you 查看答案