马鞍山市中心城区水环境综合治理PPP项目



                                                                                    雨山河2#泵站基坑施工


                                                                 雨山河2#泵房施工



                                                        长沟下穿马钢专用线——横抬纵挑加固体系布设双拼H钢横梁




                                                    长沟下穿马钢专用线——线路吊装



                                                                         拆除加固后体系后线路加固