deep well pump [机] 深井泵 ; 深井水泵

deep bore well pump 深钻井泵

deep well water pump 深井水泵

deep well fire pump 深井消防泵

deep well fire pump set 深井消防泵组 ; 深井

deep well submersible pump 深井潜水泵

deep-well pump 深井泵 ; 深潜泵 ; 深水泵

deep well turbine pump 深钻孔涡轮泵 ; 深井涡流泵

deep-well cargo pump 潜水货油泵 ; 深潜货油泵