needle-point gap的意思|示意
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针尖的差距
needle-point gap的网络常见释义
针尖间隙 ... 针尖社团 pearlite 针尖间隙 needle-point gap 象牙针尖 ivorypoint ...
needle-point gap相关短语
1、 needle point spark gap 针尖火花隙 ; 翻译
2、 needle-point spark gap 针尖电花隙