短語(yǔ)詞組短語(yǔ)sewage sump 污水坑;集污槽sump oil 污油;油槽存油;沉淀池油;油底殼存油mine sump [礦業(yè)]礦井水倉(cāng);煤礦水倉(cāng)transfer sump 轉(zhuǎn)運(yùn)水倉(cāng)sump area 貯油槽區(qū)winch sump 絞盤(pán)油槽sump water 污水condensation sump 熱井oil sump 油池；貯油槽 返回 sump