单词	optical visibility
释义	optical visibility 光学可见度
随便看	heat-exchangers of the plate type heat exchanger system heat-exchanger tank heat exchanger thermal ratio heat-exchanger thermal ratio heat exchanger train heat exchanger tube heat-exchanger tube heat exchanger tube bundle heat exchanger tube bundles heat exchanger tubeheat exchanger pipe heat exchanger tubeheat pipe heat exchanger tubes heat exchanger tube sheet heat exchanger tubes with fins heat exchanger tubes with inside fins heat exchanger tubes with outside fins heat exchanger tubes with outside oblique fins heat-exchanger, tubular heat exchanger type regenerator heat-exchanger type regenerator heat exchanger tyype regenerator heat-exchanger unit heat exchanger wall heat exchanger with heat pipes