acoustic emission energy

Conserving energy

energy conserving

energy emission

Energy saving and emission reducing

energy saving and emission reducing method

Energy-conserving

field emission energy distribution

radiant energy emission

Reducing Energy

Reducing energy consumption

saving energy and reducing emission

Saving Energy and Reducing Energy Consumption

saving in energy and reducing emission

Emission Reducing

Budget of kinetic energy and total potential energy

dissipation of energy and transformation of energy

ratio of hysteretic energy to input energy

saving energy and decreasing energy

saving energy and lowering energy consumption