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
- accessibility of contaminant source
- accessibility of health service
- accessibility planning
- accessibility sampling
- accessibility theory
- accessible
- accessible boundary arc
- accessible boundary point
- accessible category
- accessible design
- accessible design service object
- accessible domain
- accessible entrance
- accessible environment
- accessible jump process
- accessible ordinal number
- accessible point
- accessible random variable
- accessible relation
- accessible routes
- accessible singularity
- accessible space
- accessible stairway
- accessible state
- accessible subgroup