- n.計(jì)數(shù)器
- axle-counting apparatus: 數(shù)軸[計(jì)軸]裝置
- bacteria counting apparatus: 細(xì)菌計(jì)數(shù)器
- counting apparatus for bacteria: 細(xì)菌計(jì)數(shù)器
- electronic counting apparatus: 電子計(jì)機(jī)器
- gamma counting apparatus: γ-量子計(jì)數(shù)器; 測(cè)定γ放射性裝置
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