deteeting the ground point with low frequency electric current signal changing its frequency

electric cycling with low frequency and high voltage

tiny vibration with low frequency

braking with power

regenerative braking with energy feedback

adjusting speed with frequency modulating technique

Al-base alloy electrolysis liquid with low Ti content

alfalfa seed with low vigor

alkali refining with low-temperature and long-time

alter and alter with low enclosure

Ammonium tetramolybdate with low potassium content

aquifer with low permeability

balanced valve with low shearing force

beverage with low alcohol

bi-component sheath-core fiber with low melting point

Blowing with low speed

Boiler with Low Load

broadband amplifier with low noise

burner with low swirling intensity