工学 工程水力学 释 drop 跌水 使上游渠道水流自由跌落到下游渠道的连接建筑物。
drop ①滴 ②下落，降落
数据库 数据库管理系统及其实现技术 释文 drop 撤销
- arc thruster
- Arctic Circle
- arctic circle
- Arctic Council
- Arctic fox
- arctic fox
- Arctic geology
- Arctic National Park
- Arctic Ocean
- Arctic Oscillation
- Arctic ozone hole
- Arctic pole
- arctic route
- Arctic Village National Forest Park
- Arctic zone
- arc-transitive graph
- arc triangle
- arc-trigonometric function
- Arcturus
- Arcturus group
- Arcuate uterus
- arculus
- arcus
- arcus function
- arc welding