4399免费视频

市(shi)政工(gong)(gong)(gong)(gong)程、管(guan)道(dao)工(gong)(gong)(gong)(gong)程、環境及土地(di)整(zheng)治工(gong)(gong)(gong)(gong)程、建(jian)筑(zhu)裝飾工(gong)(gong)(gong)(gong)程、園林(lin)綠(lv)化工(gong)(gong)(gong)(gong)程的(de)施(shi)工(gong)(gong)(gong)(gong)；工(gong)(gong)(gong)(gong)程測(ce)(ce)量(liang)勘(kan)探；數據采(cai)集整(zheng)理(li)；信息系統集成(cheng)；工(gong)(gong)(gong)(gong)程檢測(ce)(ce)；管(guan)道(dao)檢測(ce)(ce)、測(ce)(ce)漏(lou)、清(qing)洗(xi)、疏通(tong)；管(guan)道(dao)防腐及非開(kai)挖修復施(shi)工(gong)(gong)(gong)(gong)；建(jian)筑(zhu)材料（不含(han)有毒、有害物質超(chao)過國家(jia)標準的(de)建(jian)筑(zhu)和裝修材料），五金勞(lao)保用品、工(gong)(gong)(gong)(gong)業機器(qi)人，工(gong)(gong)(gong)(gong)程機械設(she)備銷(xiao)售及租賃；車輛(liang)租賃；道(dao)路普通(tong)貨(huo)物運輸；建(jian)筑(zhu)勞(lao)務分包。（依法須(xu)經批準的(de)項目，經相關部(bu)門批準后(hou)方可開(kai)展經營活動）