cesium-antimony cathode
绝-锑阴极

• thoriated tungsten cathode
• thoriated tungsten filament
• thorium
• thorium fluoride
• thorium-free glass
• thorium oxide
• thorium oxyfluoride
• thou
• thread
• threaded
• threaded ring
• threading
• threadlike phase
• thread micrometer
• thread pitch
• three-axis laser gyro package
• three-beam speckle pattern interferometer
• three-colo[u]r camera
• three-colo[u]r filter
• three-component zoom lens
• three-coordinates measuring machine
• three-dimensional
• three-dimensional appeal
• three-dimensional camera
• three-dimensional cinema