成年免费大片黄在线观看片,亚洲av日韩aⅴ无码电影,乖这必须灌浓精h,中文字幕不卡高清视频在线,成·人免费午夜试看60秒,国产在线观看免费观看不卡,国产超碰人人做人人爱ⅴa,高清视频精品一区二区三区,久久人妻一区二区三区欧美,无码人妻一区二区三区兔费

  FAW Foundry purchased Sanji 3500T automated die-casting production unit for the automated production of engine cylinder blocks and gearbox housings. This equipment is the product of the “national science and technology major special project” which led by FAW Foundry and jointly implemented by Suzhou Sanji Foundry Equipment Co., Ltd., Tsinghua University, Xi'an Jiaotong University, Central Academy of Mechanical Sciences and others.

                                                                                           3500T Automatic Die-casting Production Unit