Also includes non-twisting end tips and a metal bell cap.
还包括非扭结束技巧和一个金属钟帽。
The upper part has a generally ring-shaped upper end surrounding a non-conductive central region.
第一上方部 分具有为环形的顶终端,其环绕非导体的中心区域。
The upper part has a generally ring-shaped upper end surrounding a non-conductive central region.
第一上方部 分具有为环形的顶终端,其环绕非导体的中心区域。
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