needle-point spark gap的意思|示意
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针尖电花隙
needle-point spark gap的网络常见释义
针尖电花隙 ... needle-point gap 针尖间隙 needle-point spark gap 针尖电花隙 gap， needle 针隙 ...
needle-point spark gap相关短语
1、 needle point spark gap 针尖火花隙 ; 翻译