久久riav_欧美香蕉大胸在线视频观看_欧美黄动漫_漂亮老师做爰观看

Frame, tool holder vibration stress relief, complete machine welding, durable, reliable

The mechanical up and down motion balance adopts the rigid structure of mechanical synchronous shaft, with simple structure and convenient maintenance

The mechanical structure type is three-roller symmetrical type. The upper roller is vertically lifted and lowered at the central symmetrical position of the two lower rollers

It has the characteristics of high idle speed, high efficiency, low energy consumption, adjustable blank holder force and tensile force...

Performance and characteristics:

The uncoiling and leveling cutting line is mainly used to cut cold rolled and hot rolled steel coils into various sizes of fixed length plates...