elevator pump
... elevator pit 电梯坑 elevator pump 提升泵 elevator well 升降机井,电梯井 ...
lifting pump
... lifting platform 升降平台 lifting pump 提升泵;顶起泵 lifting rope 吊绳 ...
upgraded pump
... 在这回数学考试中 » null 提升泵 » upgraded pump 男方检查 » The man checks ...
hand lift pump
QJH
lifting Pump Station ; lift pumping station ; boosting pumping station