单词	oil refining industry
释义	oil refining industry 炼油工业
随便看	pneumatic placement pneumatic placer pneumatic placing pneumatic plant pneumatic planter pneumatic pleating machine pneumatic plug nozzle pneumatic poker pneumatic polisher pneumatic polishing lathe pneumatic pontoon pneumatic position pneumatic position control pneumatic positioner pneumatic positioner valve pneumatic positioning mechanism pneumatic positioning relay Pneumatic positioning system pneumatic position scrvo system Pneumatic Position Servo Pneumatic position servo control pneumatic position servo system pneumatic position system pneumatic post pneumatic post operative aid to mobility