1·This paper introduces a type of sump cleaning machine used in coal mine, analysis its structure, working principle and specialties.
介绍一种用于煤矿的水仓清理机，并对其结构原理、工作特点进行了分析。
2·According to the surrounding character of well bottom sump, the destroy reason is analyzed, and feasible support methods are provided.
针对井底水仓的围岩特性，对破坏原因进行分析，提出切实可行的支护方法。
3·The new-type of hose pulsating pump is used for underground face draining and sump cleaning.
采用新型软管壁外脉动泵进行井下工作面排水及水仓清理。
1·A sump pump can drain a low-lying area and divert water to another location where it can drain properly.
阿水坑泵可以排水沟的低洼地区，调水到另一个位置，它可以排水正常。
2·If a building foundation is below the water table, a sump pump may be required.
如果建筑地基低于地下水位，则可能需要使用集水坑泵。