单词	黑电平调节
释义	黑电平调节 black-level control
随便看	geothermal heating geothermal heating system geothermal heat plant geothermal heat pump Geothermal heat pumps geothermal heat pump system geothermal heat station geothermal heat supply geothermal heat-supply Geothermal heat utilization Geothermal history geothermal hothouse geothermal hot water field geothermal hot water reservoir geothermal industry geothermal injection geothermal investigation geothermal logging geothermal steam plant geothermal steam reservoir geothermal steam turbine geothermal step geothermal stream geothermal stress geothermal subsidence