撞击声压级改善量reduction of impact sound pressure level
参考答案:
在楼板面层铺设之前和之后接收室内的平均声压级差值,以dB表示。
用所给词的适当形式填空.
1. Let's do our best to help the children who need to _____ (educate).
2. I enjoy _____ (learn) English although it's very difficult for me.
3. If you aren't careful enough , you might make _____ (mistake).
4. You can't _____ ( achieve) a high level of English unless you study hard.
5. Have you got any _____ (knowledge) about Arabic countries.
6. She's so excellent that her parents are very _____ (pride) of her.
根据《中国农业银行集中作业平台应用管理办法》,专业类业务包括()。
A.对公汇款
B.对公账户开销户
C.贷款业务
D.作业中心端发起的汇入汇款