A.33.8%B.43.8%C.53.2%D.66.2%
A.全數(shù)檢驗(yàn)B.抽樣檢驗(yàn)C.重點(diǎn)檢驗(yàn)D.典型檢驗(yàn)
A.經(jīng)濟(jì)用途B.作用C.勞動(dòng)對(duì)象的特點(diǎn)D.設(shè)備技術(shù)狀況