A.總包企業(yè)與勞務(wù)隊(duì)伍 B.勞務(wù)企業(yè)與項(xiàng)目部 C.總承包企業(yè)與施工勞務(wù)企業(yè) D.項(xiàng)國部與勞務(wù)隊(duì)伍
A.30,1.5 B.-25,1.4 C.20,1.2 D.-15,1.1
A.10,20 B.20,30 C.30,40 D.40,50