... gas-filled arrester 充气避雷器 gas-filled bulb 充气灯泡 gas-filled relay 充气继电器 ; 充气替续器 ...
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gas filled bulb 充气灯泡
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gas filled lamp bulb 充气灯泡
gas-filled light bulb 充气灯泡
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The bulb is sometimes filled with an inert gas which permits operation at a higher temperature.
灯泡有时充入惰性气体，为的是能在更高的温度下工作。
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