宁波朱先生来我公司学习大理石翻新护理技术！（如图）

                                                                                              切缝学习                                                                                                       调胶学习

                                                                                               补缝实操                                                                                       大理石打磨翻新实操

                                                                                           大理石打磨翻新实操                                                                                结晶处理后效果