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: Generator Model

Mechanical model, as its name implies, is about the reduction of the proportion of machinery in real equipment, such as 1:10, 1:20 and so on. If the proportion permits, it can simulate the working principle and demonstration of real equipment. Mechanical model has the advantages of equal scale scaling, height simulation, suitable transportation and exhibition. It is more and more favored by large machinery manufacturing companies. Through its unique development and special design, it continuously gives the model higher external expressive force and visual impact. It has special equipment and equipment for making ship models. This is an important means to solve the difficulty of production and to ensure the level of work technology. From a certain point of view, exquisite and delicate works are the expression of the ability of craftsmanship and tools.