outer counter外: outside; external side计数: count; tally; counting管: pipe; tube体外计数: in vitro counting; surface counting计数管: alpha counter; counte tube; counter tuber; counting tube; dekatron; nomotron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:外计数管，即可在微信中查询翻译
