A.20 B.30 C.50 D.60
A.項(xiàng)目承包商和專業(yè)分包商 B.勞務(wù)分包商 C.專業(yè)分包商 D.項(xiàng)目承包商
A.生產(chǎn)技改項(xiàng)目、生產(chǎn)經(jīng)營(yíng)性項(xiàng)目和應(yīng)急搶修項(xiàng)目 B.生產(chǎn)技改項(xiàng)目和生產(chǎn)經(jīng)營(yíng)性項(xiàng)目 C.生產(chǎn)經(jīng)營(yíng)性項(xiàng)目和應(yīng)急搶修項(xiàng)目