A.測量皮帶旋轉(zhuǎn)一周所需的時(shí)間B.測量皮帶速度和周長C.測量皮帶運(yùn)行一周的脈沖數(shù)D.以上都對
A.JJG 195-2019連續(xù)累計(jì)自動(dòng)衡器檢定規(guī)程、JJF 1001-2011通用計(jì)量術(shù)語及定義B.JJG 195-2019連續(xù)累計(jì)自動(dòng)衡器檢定規(guī)程C.JJF 1001-2011通用計(jì)量術(shù)語及定義