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
- separation apparatus of weakly magnetic minerals
- separation axiom
- separation basis
- separation between revenues and expenditures
- separation cochain
- separation cocycle
- separation condition
- separation-connection device
- separation (distillation, extraction and absorption) process control systems
- separation edge
- separation energy
- separation equilibrium
- separation equipment using in oilfield
- separation/extraction equipment
- separation factor
- separation flow
- separation fracture
- separation layer
- separation logic
- separation marks examination
- separation mechanism
- separation membrane
- separation metallurgy of niobium and tantalum
- separation mood
- separation number