| énergie;industr. |
generator w/steam-topping letdown turbine (MichaelBurov); generator with steam-topping letdown turbine (MichaelBurov); generator with a steam-topping turbine (MichaelBurov); generator with a letdown turbine (MichaelBurov); generator with a let-down turbine (MichaelBurov); generator with a steam letdown turbine (MichaelBurov); generator with a steam let-down turbine (MichaelBurov) |
