• laser doppler flowmetry

लेसर:    laser

लेसर किरण:    laser beam machining

किरण:    gleam ray beam light spark shaft shaft of light

द्वारा:    past by oneself herewith through per agency from

प्रवाह:    afflux effusion fluency effluent influx torrent

मापन:    measurement survey measuring scale metage measure