chest lead胸: chest; bosom; thorax导程: helical pitch; lead胸导程, 心前导程: precordial leads单极胸导程: unipolar chest lead导程: helical pitch; lead◇导程检查仪 lead gauge; lead tester下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:胸导程，即可在微信中查询翻译
