- sump
 - [sʌmp]
 - n. 水坑;污水坑;机油箱
vi. 挖深(渠道,井筒等) 
参考例子
           - 1.Never pipe the discharge line directly into a drainage ditch, sewer or sump.
 - 排放管道绝对不要直接接到排水沟、下水道或污水坑。
 
- 2.The actuators have a self-contained oil sump so a separate oil supply is not required.
 - 该驱动器有一个自我包含的油底壳,使一个单独的石油供应是不是必需的。
 
- 3.The stability of sludge sump of underground continuous wall during short sump excavation was discussed.
 - 本文论述地下连续墙泥浆槽在短槽挖掘时的稳定性问题。
 
英文解释
           - n.
 - 1.an oil reservoir in an internal combustion engine
 - 2.a well or other hole in which water has collected
 - 3.a covered cistern; waste water and sewage flow into it
 
网络释义
               - sump
 - 集水坑; 污水坑; 池,坑,贮槽; 水仓;
 
- sump pump
 - 凹坑排水泵; 集水坑泵; 排水泵; 油回收泵;
 
- sewage sump
 - 集污槽; 污水坑; 集污槽 房屋地政;
 
- drainage sump
 - 排水集水坑; 集水井; 泄水井; 泄水阱;
 
- Sump lubrication
 - 油槽润滑;