A.經(jīng)驗(yàn)估計(jì) B.經(jīng)驗(yàn)統(tǒng)計(jì)定額 C.類推比較 D.科學(xué)計(jì)算
A.25 B.50 C.5 D.10
A.改造計(jì)劃 B.生產(chǎn)計(jì)劃 C.修理計(jì)劃 D.修訂計(jì)劃