n. 钨,钨锰铁矿,金属元素
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- When the electric current is turned on, it ignites the tungsten filaments in the bulb.
电流一接通就使灯泡里的钨丝灼热发光。收藏 - We make an electron gun which consists of a tungsten wire heated by an electric current
我们制造了一把电子枪,它包括一根用电流加热的钨丝。收藏 - heterogenous photocatalyst;printing and dyeing wastewater;removal efficiency;tungsten trioxide
复相光催化剂,印染废水,去除率,三氧化钨收藏 - This film type can also be used in tungsten or fluorescent lighting if a suitable filter is put in front of the lens or light source.
在丝灯或荧光灯下摄影也可以,但要在镜头上或灯光前加上适当的滤色片收藏 - The vital part of the incandescent electric lamp is the tungsten wire inside the bulb
白炽电灯的关键部分是灯泡里的钨丝。收藏
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