... gas-filled laser tube 充气光电管 gas-filled phototube 充气钨丝灯 gas-filled tungsten-filament 气体注入式激光器 ...
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gas-filled tungsten-filament
飞机用钨丝灯 Aircraft electrical filament lamps 充气钨丝灯 gas-filled phototube ; gas-filled tungsten-filament 带状钨丝灯 ribbon filament tungsten lamp ..
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