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
- Cangzhou laozi
- Cangzhou Museum
- Cangzhou Poems
- Cangzhou Shi
- Cangzhou Tieshizi
- Canicula
- canicular days
- canine
- canine and feline abdominal pain
- canine blepharoplasty
- canine coronavirus infection
- canine corrective ear surgery
- canine distemper
- canine distemper virus，CDV
- canine fossa
- canine gastrotomy
- canine mastectomy
- canine nictitating membrane diorthosis
- canine ovariohysterectomy
- canine parainfluenza virus infection
- canine parvoviral enteritis
- canine prostatectomy
- Canis Major
- Canis Major Dwarf Galaxy
- Canis Minor