特殊用法base sump1.集油池collection sump1.集水坑; 收集坑; 污水坑crankcase sump1.曲轴箱槽, 油底壳drain sump1.脱水罐drainage sump1.排水集水坑, 泄水井drop-out sump1.排泄器engine oil sump1.发动机油槽[油底壳]mine sump1.矿井水仓mud sump1.泥池oil sump1.油槽, 油(沉淀)池portal sump1.峒门集水坑salvage sump1.(炼油厂下水道的)石油捕集器