In the liquid milk, choose non-bacterial pour pack set and technology is especially protruding, but also, it exist form a complete set choose type problem.
在液体奶方面，选择无菌灌装设备和工艺显得尤为突出，但也存在配套设备选型降低操作费用问题。
2
The design of mechanical parts, such as draw poles press poles, simple su stain girders and protruding models type parts may be optimized by use of metal gradient materials.