熟女性饥渴一区二区三区-337p大尺度啪啪人体午夜-女子初尝黑人巨嗷嗷叫-日本五月天婷久久网站

Project Name: Shanghai Taihe Sewage Treatment

Project size: 1 m*0.9 M

Entrusting Unit: (Shanghai Chengdu Investment Group Co., Ltd.)

Industrial models are very common in life. As the name implies, they are often used in industrial fields. Industrial models, commonly known as hand-edition, hand-edition model and rapid prototyping, mainly use models to show larger machinery.

Industrial models are usually displayed by some industrial equipments, especially some large mechanical equipments. They are usually displayed by models. Industrial model is one of the models. In fact, there are many classifications of models. Different models have different characteristics, different manufacturing techniques and different materials, and there will be great differences.