已知大气压为760毫米汞柱,如图所示的托里拆利实验中,管内水银上方是真空,则管内 发布时间:2017-06-30 13:55 │ 来源:www.tikuol.com 题型:填空题 问题: 已知大气压为760毫米汞柱,如图所示的托里拆利实验中,管内水银上方是真空,则管内A点的压强为__________毫米汞柱,槽内B点的压强为__________毫米汞柱。
题型:填空题 动词填空。1. The dog often (bark) when someone rings the doorbell. 2. (not open) the door. It's cold outside. 3. -How long ______ Wang Fang (stay) in the hospital? -She stayed there for a week.4. ______ Betty (help) me with my maths tomorrow? 5. I look forward to (see) you soon. 查看答案