Short wave, Twin Tube Infrared Heaters are comparable in spectrum to, and slightly longer in wavelength than halogen lamps.
短波，双筒红外加热器比卤素灯的频谱稍长。
2
This infrared heaters combine a carbon heater and a short wave infrared heater in the proven quartz glass twin tube.
该产品结合了碳加热器和短波，行之有效的石英玻璃双管红外线加热器。
3
The transcendental equation for ferrite phase shifters in rectangular wave guide has been obtained by applying twin slab model, Maxwell equations and boundary conditions.