A.50mm B.100mm C.150mm D.應(yīng)計(jì)算后確定
A.社會(huì)主義B.農(nóng)業(yè)社會(huì)C.科技社會(huì)D.經(jīng)濟(jì)社會(huì)
A.推動(dòng)B.發(fā)展C.支撐D.競(jìng)爭(zhēng)