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
- rotor of a vector field
- rotor of centrifugal compressor
- rotor of condenser
- rotor of hydro-generator
- rotor profile
- rotor space volume
- rotor spinning
- rotor spinning machine
- rotor spinning yarn
- rotor stability analysis
- rotor static balancing
- rotor-stator reactor
- rotor structure of aero-engine
- rotor support structures
- rotor system fatigue test
- rotor system rotating dynamic test
- rotor thermal bending
- rotor-type electrometer
- Rotorua
- Rotorua-Taupo Thermal
- rotor unbalance
- rototrol
- rot proof finishing
- rotproofness
- Rotten Egg Nebula