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I want to buy bulb holder, as picture shows.
我要的是金属铁件, 不是要灯泡.
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Step 1 : Screw the bulb into the bulb holder.
步骤 一: 把灯泡栓入灯泡底座中.
Keep the wire between the positive battery terminal and the bulb holder connected.
保留那条连接电池正极和灯泡底座的电线.
英汉双解词典包含4367426条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。