
提问人:网友z*****n
发布时间:2022年4月5日 07:54
[多项选择题]
楼地面基层包括()
A.防潮层
B.垫层
C.找平层
D.隔离层
E.填充层


A.防潮层
B.垫层
C.找平层
D.隔离层
E.填充层
某一元弱酸HB的浓度为0.1mol/L,其Ka = 1×10-9,则溶液[H+]为
1. What is the purpose of the meeting?
a. To discuss the causes of the decline in sales.
B .
To discuss the causes of the decrease in profits.
C .
To discuss ways to promote sales.
D .
To discuss the funding policy of the company.