sump
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