4399在线视频免费观看

市(shi)政(zheng)園林(lin)綠化工(gong)(gong)程(cheng)(cheng)、市(shi)政(zheng)公用工(gong)(gong)程(cheng)(cheng)、建筑工(gong)(gong)程(cheng)(cheng)、裝飾裝修工(gong)(gong)程(cheng)(cheng)、鋼結構工(gong)(gong)程(cheng)(cheng)、道(dao)路照(zhao)明及(ji)交通信號燈工(gong)(gong)程(cheng)(cheng)、監控設備安裝工(gong)(gong)程(cheng)(cheng)、交通設施維修工(gong)(gong)程(cheng)(cheng)、公路工(gong)(gong)程(cheng)(cheng)、管(guan)道(dao)（不含壓(ya)力管(guan)道(dao)）工(gong)(gong)程(cheng)(cheng)、土石方(fang)工(gong)(gong)程(cheng)(cheng)、水(shui)利(li)水(shui)電工(gong)(gong)程(cheng)(cheng)及(ji)環保工(gong)(gong)程(cheng)(cheng)的施工(gong)(gong)（以上項目均(jun)須持資質證(zheng)書經(jing)營(ying)）；苗木銷(xiao)售（國家禁止和限制(zhi)經(jing)營(ying)的項目不得經(jing)營(ying)，依法(fa)需經(jing)批準(zhun)的項目，經(jing)相關部門批準(zhun)后方(fang)可開展經(jing)營(ying)活動）。