短語(yǔ)詞組短語(yǔ)sewage sump 汙水坑;集汙槽sump oil 汙油;油槽存油;沉澱池油;油底殼存油mine sump [鑛業(yè)]鑛井水倉(cāng);煤鑛水倉(cāng)transfer sump 轉(zhuǎn)運(yùn)水倉(cāng)sump area 貯油槽區(qū)winch sump 絞磐油槽sump water 汙水condensation sump 熱井oil sump 油池；貯油槽 返回 sump