计数管counting: n. 计算。 counting house 〔英国〕=c ...tube: n. 1.管,筒;颜料管。 2.管状地下隧道;〔口语〕( ...cold cathode counting tube: 冷阴极计数管cold-cathode counting tube: 计数放电管; 冷阴极计数管decade counting tube: 十进计数管; 十进制计数管; 十进制计算管下载手机词典可随时随地查词查翻译