A.主型號(hào)B.輔助型號(hào)C.產(chǎn)量代號(hào)D.國(guó)別代號(hào)
A.單件計(jì)數(shù)裝置B.多件計(jì)數(shù)裝置C.轉(zhuǎn)盤計(jì)數(shù)裝置D.履帶式計(jì)數(shù)裝置
A.機(jī)械式B.觸點(diǎn)開關(guān)式C.接近開關(guān)式D.光電式E.手動(dòng)式