该方法可使滚压成形貌轮的对数减少，而且对成形机两辊轮的中心距离变化量要求也不高。
It is not only able to reduce rollers in roll forming but also to lower the requirements for centre distance variation between two rollers of forming machine.
该方法可使滚压成形貌轮的对数减少，而且对成形机两辊轮的中心距离变化量要求也不高。
It is not only able to reduce rollers in roll forming but also to lower the requirements for centre distance variation between two rollers of forming machine.
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