sump pump

英 美
  • 井底水窝水泵,油池泵
  • pump n.泵;抽水机;打气筒;抽水;打气v.打气;唧筒般运动;灌输;抽取;增加;盘问
  • sump n.污水坑;水坑;机油箱
Noun:
  1. a suction pump for removing liquid from a sump

    1. The lower portion of the disc is submerged within an oil sump.
      圆盘下部浸在油池中。