本设备大皮带轮（槽轮）的固定采用无键联胀套联结。
The fixation adoption distends cover with no saw(tough wheel)of large belt of equipment.
本机采用键式气压轴式纸管固定设计。
Key type air pressure shaft type paper tube fixed design is adopted in this machine.
本机采用键式气压轴式纸管固定设计。
Key type air pressure shaft type paper tube fixed design is adopted in this machine.
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