A.施工總承包資質(zhì) B.起重設(shè)備安裝工程專業(yè)承包資質(zhì) C.無需專門資質(zhì) D.安全監(jiān)督管理局頒發(fā)的許可證
A.5% B.8% C.10% D.15%
A.20% B.25% C.30% D.35%