pencil tube 中文意思是什麼
pencil tube
解釋
筆型管-
Fuse type neon lamp is consist of nickel - plating copper caps, transparent tube, neon lamp and resistor, with transparency, safety character, it is the best indicator for the electric test pencil
保險型指示氖燈由鍍鎳銅帽透明管氖燈電阻組成,具有透明安全等特點,是測電筆指示燈的最佳選品。
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