一级做视频c视频播放,av嫩草影院,精品一二区,日韩AV无码大片,婷婷黄色AV

The machine is a high-precision automatic CNC machining equipment suitable for grinding wheel diameter 900mm or less and thickness of 300mm or less. There are two stations for processing, loading and unloading, automatic centering to find the grinding wheel, one clamping, two grinding heads to process the inner and outer circles at the same time, strictly guarantee the coaxiality and precision of the inner and outer circle.