泵机封水  water for pump seal

泵机维护维修  pump maintenance

泵机械密封  pump mechamical seal

泵机运行状态  pump running state

泵机组  pump unit; pump set; engine and pump assembly; pump assembly; pumping set; pump units

柴油机水泵机组  diesel pump unit

铲运机泵  scraper pump

齿轮式机泵  gear type oil pump

充油泵机油  charge pump oil

充油泵机油供给  charge pump oil supply

除湿热泵机组  heat pump for dehumidification

储能器-机泵装置  pump accumulator unit

大水泵机组并联运转  big pump unit parallel running

大型风冷热泵机组  Large-sized Test Device for Air-cooled Heat Pump Unit

大型立式泵机组  a large vertical pump unit

大型水泵机组  large pump units; Large pumping unit; Large scale water pump unit; large pump unit

大型水泵机组的维修性  Maintainability of large pump units

灯泡贯流泵机组  bulb tubular pump units; tubular pump unit; bulb tubular pump unit

电动水泵机组  motor driven pump set

电动微型水泵机组  motor driven miniature pump set