新疆建设兵团农三师施工现场 ...

                                                                     混凝土现浇

                                                                      土方开挖

                                                      渠道防渗处理(砂砾垫层,苯板,一布一膜)

                                                                      衬砌厚度断面成型验收

                                                                               成型断面